ITEM — unspecified: Box 5, folder 20
Identifier: hsi00001
Articles and pamphlets, 1858-1860, undated, 1858-1860 Digital
Scope and Contents
Contains copies of Alvan Clark's (1804-1887) New double stars (1858) and New micrometer for measuring large distances (1860); Richard F. Bond's Description of Bond's isodynamic escapement, for astronomical clocks (1860); an 1883 announcement from the Harvard College Observatory on the time change; and an undated brochure on Invar, a patented alloy of nickel-steel, issued by J.H. Agar Baugh, sole agent.
Dates
- Creation: 1858-1860
Researcher Access
Appointment necessary to consult collection. Please contact chsi@fas.harvard.edu for further information.
Extent
5.5 linear feet (6 document boxes, 9 flat boxes, 4 portfolio folders)Creator
- From the Collection: Bond, William Cranch, 1789-1859 (Person)
Repository Details
Part of the Collection of Historical Scientific Instruments, Harvard University Repository
Contact:
Science Center, Room 250
One Oxford Street
Cambridge MA 02138 United States
(617) 495-2779
chsi@fas.harvard.edu
Science Center, Room 250
One Oxford Street
Cambridge MA 02138 United States
(617) 495-2779
chsi@fas.harvard.edu