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Optics
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#10001: Spectrometer
W. Wilson, London (A.B. Porter, Chicago, agent for U.S.A.), ca. 1920
An iron tripod stand supports two arms holding a collimator and a telescope
Reference: 1. J.A. Bennett, The Celebrated Phenomena of Colours: the early history of the Spectroscope. Published to accompany a
special exhibition at the Whipple Museum of the History of Science.
location: SW102
IU tag number: 70-29-11346
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#10002: Spherometer
#10003: Spherometer
Central Scientific
Two, very similar devices; one of them is engraved with "Central Scientific Company"
Reference: Arthur C. Hardy and Fred H. Perrin, The Physical Principles of Optics, New York, 1932, pp.359-62.
Location: SW102
IU tag number: none
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#10004: Spectral Cubes
E. Leybold's Nachf., Coln
use of these cubes is unknown, the one with yellow-greenish tint is slightly radioactive
References:
Location: SW102
IU tag number: 70-29-5399
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#10005: Slide Projector
Spencer Model D Delineascope, American Optical Co., Buffalo, NY, Cat. no. 3475
Early 1930's. This Spencer Delineascope projected 3" by 4" slides by means of an interchangeable
condensing lens system. These projectors were used in
large auditoriums as well as traditional-size class rooms. Supplied by Motion Picture Company, Richmond, VA.
References:
Location: SW102
IU tag number: none
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#10006: Mirror Stand
Make unknown
A concave and a convex spherical mirror of 12 cm diameter in a gimbal mount.
References:
Location: SW102
IU tag number: 70-29-5377
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#10007: Stand with large Nicol Prism
#10008: Stand with large Nicol Prism
Tisley & Spiller, 172 Brompton Road, London
Two Stands with large Nicol Prism. The firm of Tisley and Spiller (later S.C. Tisley and Co.) manufactured scientific instruments in
London in the 1870s and 1880s, seeking to capitalize on the expansion of science education in England after 1871.
References: http://www.sic.iuhps.org/conf2000/ox_s01b.htm
Location: SW102
IU tag number: 70-29-??25
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#10009 Stand with small Nicol Prism
Make unknown
Stand with small Nicol Prism in a brass holder.
References:
Location: SW102
IU tag number: none
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#10010: Linear Polarizer
Make unknown
Polarization by reflection at the Brewster angle. Stack of glass slides; the angle with respect to beam axis
can be adjusted, and the whole assembly can be turned around the beam axis.
References:
Location: SW102
IU tag number: 70-29-6879
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#10025: Telescope on stand
Make unknown
Metal label: James W. Queen & Co., Philadelphia; sole agents for the U.S.
References:
Location: SW102
IU tag number: on metal plate: 'I.U. Bloomington 13848'
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