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HARVARD COLLEGE OBSERVATORY / 14 X 17 INCH BLINK COMPARATOR / ROTATING GEAR OF UPPER STAGE / SCALE HALF SIZE / No. B 9042

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 214: 14x17 Blink Comparator / Sub-Series: 214-001
Item — Box: 2, Folder: 70Identifier: hsi, 00002
Scope and Contents:

Title: HARVARD COLLEGE OBSERVATORY / 14 X 17 INCH BLINK COMPARATOR / ROTATING GEAR OF UPPER STAGE / SCALE HALF SIZE / No. B 9042, Maker's Drawing No.: B 9042

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DOME DRIVE MOTOR BASE DETL'S / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE 3-8-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / DW'G. NO.: 20553-2-1 / SHOP NO.: 20553, 1955 March 8

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-004
Item — Box: 2, Folder: 76Identifier: hsi, 00002
Scope and Contents: Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DOME DRIVE MOTOR BASE DETL'S / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE 3-8-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / DW'G. NO.: 20553-2-1 / SHOP NO.: 20553, Designer/Draftsman Information from plan: DR. BY: B.G.G., Maker/Designer: Metal Fabricators Corp., , Draughtsman: B. G. G., Maker's Drawing No.: ...

ARTISAN METAL PRODUCTS, INC. / POND STREET–WALTHAM / BOSTON 54, MASS. / DOME DRIVE PIVOT BRACKET / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-7-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: 3"-1'-0" REFER: [na] / DW'G. NO.: 20553-3-1 / SHOP NO.: 20553, 1955 March 7

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-005
Item — Box: 2, Folder: 77Identifier: hsi, 00002
Scope and Contents: Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: ARTISAN METAL PRODUCTS, INC. / POND STREET–WALTHAM / BOSTON 54, MASS. / DOME DRIVE PIVOT BRACKET / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-7-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: 3"-1'-0" REFER: [na] / DW'G. NO.: 20553-3-1 / SHOP NO.: 20553, Designer/Draftsman Information from plan: DR. BY: B.G.G., Maker/Designer: Artisan Metal Products, Inc., , Draughtsman: B. G. G., Maker's...

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DRIVING WHEEL / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-14-44 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: FULL REFER: [na] / DW'G. NO.: 20553-4-2 / SHOP NO.: 20553, 1944 March 14

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-006
Item — Box: 2, Folder: 78Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DRIVING WHEEL / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-14-44 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: FULL REFER: [na] / DW'G. NO.: 20553-4-2 / SHOP NO.: 20553, Designer/Draftsman Information from plan: DR. BY: B.G.G., Maker/Designer: Metal Fabricators Corp., , Draughtsman: B. G. G., Maker's Drawing No.: 20553-4-2

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / GUIDE ROLLER SPINDLE DETL' AND ASSEMBLY / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-18-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: FULL REFER: [na] / DW'G. NO.: 20554-5-3 / SHOP NO.: 20553, 1955 March 18

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-007
Item — Box: 2, Folder: 79Identifier: hsi, 00002
Scope and Contents: Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / GUIDE ROLLER SPINDLE DETL' AND ASSEMBLY / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 3-18-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: FULL REFER: [na] / DW'G. NO.: 20554-5-3 / SHOP NO.: 20553, Designer/Draftsman Information from plan: DR. BY: B.G.G., Maker/Designer: Metal Fabricators Corp., , Draughtsman: B. G. G., Maker's...

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DOME TRUCK DETAILS / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 2-16-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: HALF REFER: [na] / DW'G. NO.: 20553-6-1 / SHOP NO.: 20553, 1955 February 16

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-008
Item — Box: 2, Folder: 80Identifier: hsi, 00002
Scope and Contents: Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / DOME TRUCK DETAILS / HARVARD OBSERVATORY / D'WN. BY: B.G.G. DATE: 2-16-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: HALF REFER: [na] / DW'G. NO.: 20553-6-1 / SHOP NO.: 20553, Designer/Draftsman Information from plan: DR. BY: B.G.G., Maker/Designer: Metal Fabricators Corp., , Draughtsman: B. G. G., Maker's Drawing No.:...

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / 24" DOME /D'WN. BY: J.G.R. DATE: 1-15-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / ISSUE: I [capital i] / D'WG. NO.: [na]-1 / SHOP NO.: [na], 1955 January 15

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-009
Item — Box: 2, Folder: 81Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / 24" DOME /D'WN. BY: J.G.R. DATE: 1-15-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / ISSUE: I [capital i] / D'WG. NO.: [na]-1 / SHOP NO.: [na], Designer/Draftsman Information from plan: DR. BY: J.G.R., Maker/Designer: Metal Fabricators Corp., , Draughtsman: J. G. R.,

METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / 24" DOME /D'WN. BY: J.G.R. DATE: 1-15-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / ISSUE: I [capital i] / D'WG. NO.: [na]-1 / SHOP NO.: [na], 1955 January 15

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-009
Item — Box: 2, Folder: 81Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP. / 73 POND STREET–WALTHAM / BOSTON 54, MASS. / 24" DOME /D'WN. BY: J.G.R. DATE: 1-15-55 / CH'K'D BY: [na] DATE: [na] / APPR'D BY: [na] DATE: [na] / SCALE: NOTED REFER: [na] / ISSUE: I [capital i] / D'WG. NO.: [na]-1 / SHOP NO.: [na], Designer/Draftsman Information from plan: DR. BY: J.G.R., Maker/Designer: Metal Fabricators Corp., , Draughtsman: J. G. R.,

METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, 1956 October 30

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-010
Item — Box: 2, Folder: 82Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, Designer/Draftsman Information from plan: DR. BY: P.H.M. [probably], Maker/Designer: Metal Fabricators Corp., , Draughtsman: P. H. M.,

METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, 1956 October 30

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-010
Item — Box: 2, Folder: 82Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, Designer/Draftsman Information from plan: DR. BY: P.H.M. [probably], Maker/Designer: Metal Fabricators Corp., , Draughtsman: P. H. M.,

METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, 1956 October 30

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 216: 24” Optical Telescope Dome / Sub-Series: 216-010
Item — Box: 2, Folder: 82Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: METAL FABRICATORS CORP / WALTHAM, MASS / INSTALLATION OF ROLLING DOOR BRAKE 24" TELESCOPE DOME / P.H.M. / 10-30-56, Designer/Draftsman Information from plan: DR. BY: P.H.M. [probably], Maker/Designer: Metal Fabricators Corp., , Draughtsman: P. H. M.,

HARVARD COLLEGE OBSERVATORY / 24 IN. REFLECTOR DRIVING GEAR / SCALE.: 6" = 1' / Willard P. Gerrish. ENGINEER / HODGES AND GEORGE DRAUGHTSMEN, 1927

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 217: 24” Reflector / Sub-Series: 217-001
Item — Box: 2, Folder: 83Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Clark, Observatory: Oak Ridge Observatory, Title: HARVARD COLLEGE OBSERVATORY / 24 IN. REFLECTOR DRIVING GEAR / SCALE.: 6" = 1' / Willard P. Gerrish. ENGINEER / HODGES AND GEORGE DRAUGHTSMEN , Designer/Draftsman Information from plan: Engineered BY: Willard P. Gerrish, Maker/Designer: Gerrish, Willard P., , Draughtsman: Hodges and George,

24IN REFRACTOR / HARVARD COLLEGE OBSERVATORY. / DETAILS OF ELECTRIC DRIVE IN RIGHT ASCENTION / J.W. FECKER / PITTSBURGH PA. / DES. BY J.W.F. / 5-21-27 / SCALE: F.S. / A 313, 1927 May 21

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 217: 24” Reflector / Sub-Series: 217-002
Item — Box: 2, Folder: 84Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Bruce, Observatory: Bloemfontein, Title: 24IN REFRACTOR / HARVARD COLLEGE OBSERVATORY. / DETAILS OF ELECTRIC DRIVE IN RIGHT ASCENTION / J.W. FECKER / PITTSBURGH PA. / DES. BY J.W.F. / 5-21-27 / SCALE: F.S. / A 313, Designer/Draftsman Information from plan: DR. BY: J.W. FECKER, Maker/Designer: J. W. Fecker, Inc., , Draughtsman: J. W. F., Maker's Drawing No.: A-313

24" REFRACTOR / HARVARD COLLEGE OBSERVATORY. / DETAILS OF ELECTRIC DRIVE. / J.W. FECKER / PITTSBURGH PA. / DES. BY: J.W.F. / 5-18-27. / SCALE: F.S. / A-314, 1927 May 18

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 217: 24” Reflector / Sub-Series: 217-003
Item — Box: 2, Folder: 85Identifier: hsi, 00002
Scope and Contents:

Telescope: 24" Bruce, Observatory: Bloemfontein, Title: 24" REFRACTOR / HARVARD COLLEGE OBSERVATORY. / DETAILS OF ELECTRIC DRIVE. / J.W. FECKER / PITTSBURGH PA. / DES. BY: J.W.F. / 5-18-27. / SCALE: F.S. / A-314, Designer/Draftsman Information from plan: DR. BY: J.W.F., Maker/Designer: J. W. Fecker, Inc., , Draughtsman: J. W. F., Maker's Drawing No.: A-314

Along bottom edge: 24IN PHOTOGRAPHIC REFRACTOR / HARVARD COLLEGE OBSERVATORY / GENERAL ASSEMBLY SECTION. / J.W. FECKER / PITTSBURGH PA. / DES. BY: J.W.F. / 6-10-27 / TR: E.A.S. / SCALE: 1/4IN = 1IN / A 325 In box: 24IN. REFRACTOR MOUNTING FOR SOUTHERN STATION / HARVARD COLLEGE OBSERVATORY / DESIGNED AND CONSTRUCTED BY J.W. FECKER / PITTSBURGH PA. / 1927, 1927 June 10

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 217: 24” Reflector / Sub-Series: 217-004
Item — Box: 2, Folder: 86Identifier: hsi, 00002
Scope and Contents: Telescope: 24" Bruce, Observatory: Bloemfontein, Title: Along bottom edge: 24IN PHOTOGRAPHIC REFRACTOR / HARVARD COLLEGE OBSERVATORY / GENERAL ASSEMBLY SECTION. / J.W. FECKER / PITTSBURGH PA. / DES. BY: J.W.F. / 6-10-27 / TR: E.A.S. / SCALE: 1/4IN = 1IN / A 325 In box: 24IN. REFRACTOR MOUNTING FOR SOUTHERN STATION / HARVARD COLLEGE OBSERVATORY / DESIGNED AND CONSTRUCTED BY J.W. FECKER / PITTSBURGH PA. / 1927,...

OBSERVERS PLATFORM / ASSEMBLY OF CARRIAGE / First made for Harvard Observatory / Begun J.R French 2-21-30 / Inspected [signature] / Approved [signature] / Scale 1" = 1ft 0" / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., 1930 July 16

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-009
Item — Box: 2, Folder: 107Identifier: hsi, 00002
Scope and Contents: Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM / ASSEMBLY OF CARRIAGE / First made for Harvard Observatory / Begun J.R French 2-21-30 / Inspected [signature] / Approved [signature] / Scale 1" = 1ft 0" / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., Designer/Draftsman Information from plan: Trudinger / Office / Henderson 3 / Prof. Gerrish , Maker/Designer: General Electric Company, , Draughtsman: J. R. French, Maker's...

OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French / Inspected [signature] / Approved [signature] / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / JULY 16TH 1930, 1930 July 16

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-010
Item — Box: 2, Folder: 108Identifier: hsi, 00002
Scope and Contents: Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French / Inspected [signature] / Approved [signature] / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / JULY 16TH 1930, Designer/Draftsman Information from plan: Trudinger / Office / Henderson 3 / Prof. Gerrish , Maker/Designer: General Electric Company, , Draughtsman: J. R. French, Maker's Drawing No.:...

OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French / Inspected [signature] / Approved [signature] / Scale [illegible] / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / JULY 15TH 1930, 1930 July 15

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-011
Item — Box: 2, Folder: 109Identifier: hsi, 00002
Scope and Contents: Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French / Inspected [signature] / Approved [signature] / Scale [illegible] / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / JULY 15TH 1930, Designer/Draftsman Information from plan: Trudinger / Office / Henderson 3 / Prof. Gerrish , Maker/Designer: General Electric Company, , Draughtsman: J. R. French,...

OBSERVERS PLATFORM, / DETAILS OF CARRIAGE. / First made for Harvard Observatory / Begun J.R French 4-28-30 / Inspected [signature] / Approved [signature] / Scale as noted / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / LF-1011243-12. / JULY 16TH 1930, 1930 July 16

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-012
Item — Box: 2, Folder: 110Identifier: hsi, 00002
Scope and Contents: Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM, / DETAILS OF CARRIAGE. / First made for Harvard Observatory / Begun J.R French 4-28-30 / Inspected [signature] / Approved [signature] / Scale as noted / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS. / LF-1011243-12. / JULY 16TH 1930, Designer/Draftsman Information from plan: Trudinger / Office / Henderson 3 / Prof. Gerrish , Maker/Designer: General Electric Company, , ...

OBSERVERS PLATFORM, / DETAILS OF CARRIAGE. / First made for Harvard Observatory / Begun J.R French / Scale 6" = 1ft 0" / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., 1930

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-013
Item — Box: 2, Folder: 111Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM, / DETAILS OF CARRIAGE. / First made for Harvard Observatory / Begun J.R French / Scale 6" = 1ft 0" / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., Maker/Designer: General Electric Company, , Draughtsman: J. R. French, Maker's Drawing No.: LF-1011243-13

OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French 5-7-30 / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., 1930 May 7

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 220: Observers Platform / Sub-Series: 220-014
Item — Box: 2, Folder: 112Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: OBSERVERS PLATFORM, DETAILS OF CARRIAGE / First made for Harvard Observatory / Begun J.R French 5-7-30 / GENERAL ELECTRIC CO. / River Works Dept Grounds & Bldgs. / LYNN, MASS., Maker/Designer: General Electric Company, , Draughtsman: J. R. French, Maker's Drawing No.: LF-1011243-14

SLING / TRAVELLING PLATFORM FOR / HARVARD COLLEGE OBSERVATORY / Scale 1 1/2" = 1'-0" / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / March 30, 1933 89-2, 1933 March 30

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 221: 60” Turret / Sub-Series: 221-000
Item — Box: 2, Folder: 113Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: SLING / TRAVELLING PLATFORM FOR / HARVARD COLLEGE OBSERVATORY / Scale 1 1/2" = 1'-0" / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / March 30, 1933 89-2, Maker/Designer: Nichols, John R., Maker's Drawing No.: 89-2

SWINGING PLATFORM / FOR / HARVARD COLLEGE OBSERVATORY / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / March 30, 1933 89-1, 1933 March 30

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 221: 60” Turret / Sub-Series: 221-000
Item — Box: 2, Folder: 113Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller?, Observatory: Bloemfontein, Title: SWINGING PLATFORM / FOR / HARVARD COLLEGE OBSERVATORY / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / March 30, 1933 89-1, Maker/Designer: Nichols, John R.,

FULL SIZE DETAIL OF BALL-BEARING PULLEYS / ROOF SHUTTER OPERATION / TURRET FOR 60-INCH TELESCOPE / FOR HARVARD COLLEGE OBSERVATORY / BLOEMFONTEIN SO. AFRICA / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / JAN 8, 1931, 1931 January 8

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 221: 60” Turret / Sub-Series: 221-001
Item — Box: 2, Folder: 114Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller, Observatory: Bloemfontein, Title: FULL SIZE DETAIL OF BALL-BEARING PULLEYS / ROOF SHUTTER OPERATION / TURRET FOR 60-INCH TELESCOPE / FOR HARVARD COLLEGE OBSERVATORY / BLOEMFONTEIN SO. AFRICA / JOHN R. NICHOLS / 45 Newbury St. / BOSTON, - MASS. / JAN 8, 1931, Designer/Draftsman Information from plan: DRAWING MADE FROM PATTERNS LOANED BY BELLAMY, ROBIE, & SARGENT INC. CAMBRIDGE, MASS, Maker/Designer: Nichols, John R.,

GENERAL PLAN / TURRET FOR 60-INCH TELESCOPE / FOR HARVARD COLLEGE OBSERVATORY / BLOEMFONTEIN SOUTH AFRICA / LEWIS J. JOHNSON, CONS. ENG'R. / JOHN R. NICHOLS, ASSOC. ENG'R. / 45 NEWBURY ST. / BOSTON, MASS. U.S.A / Oct 29. 1929 / Scale 1/4" = 1' 0" / 59-1, 1929 October 29

FOUND IN: Collection of Historical Scientific Instruments, Harvard University / Collection: Harvard College Observatory Blueprints from Oak Ridge Observatory / Series: 221: 60” Turret / Sub-Series: 221-002
Item — Box: 2, Folder: 115Identifier: hsi, 00002
Scope and Contents:

Telescope: 60" Rockefeller, Observatory: Bloemfontein, Title: GENERAL PLAN / TURRET FOR 60-INCH TELESCOPE / FOR HARVARD COLLEGE OBSERVATORY / BLOEMFONTEIN SOUTH AFRICA / LEWIS J. JOHNSON, CONS. ENG'R. / JOHN R. NICHOLS, ASSOC. ENG'R. / 45 NEWBURY ST. / BOSTON, MASS. U.S.A / Oct 29. 1929 / Scale 1/4" = 1' 0" / 59-1, Maker/Designer: Johnson, Lewis Jerome; Nichols, John R., Maker's Drawing No.: 59-1

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