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1752 objects found.

Quarter Pound Para-Phenylene-Diamine
Mallinckrodt Chemical Works
Quarter Pound Para-Phenylene-Diamine
about 1960
2002.1.34854
Green Maximum Thermometer
Henry J. Green, Brooklyn, New York
Green Maximum Thermometer
about 1960
2002.1.35444
Hydrogen Arc Lamp
Bausch & Lomb Optical Co., Rochester, New York
Hydrogen Arc Lamp
1960-1975
2002.1.35357
Potentiometer
Philadelphia, Pennsylvania
Potentiometer
about 1960
2007.1.14
Ultrasonics Sonar Demonstrator
Atomic Laboratories, Inc.
Ultrasonics Sonar Demonstrator
about 1960
2007.1.23
Precision Single-Hook Torsion Balance
Roller-Smith Co., Bethlehem, Pennsylvania
Precision Single-Hook Torsion Balance
about 1960
2007.1.112
6
Unknown Maker
6" Reflecting Telescope and equatorial mount
about 1960
2007.1.16
Pressure Guage
Heise, Newton, Connecticut
Pressure Guage
about 1960
2007.1.46
Time-O-Lite Darkroom Timer
Industrial Timer Corporation, Parsippany, New Jersey
Time-O-Lite Darkroom Timer
about 1960
2007.1.139
Equatorial Telescope Mount
Pacific Instruments, Los Angeles, California
Equatorial Telescope Mount
about 1960
2007.1.15
Transformer
Weston Electrical Instrument Corp., Newark, New Jersey
Transformer
about 1960
2007.1.70
Precision Double-Hook Torsion Balance
Roller-Smith Co., Bethlehem, Pennsylvania
Precision Double-Hook Torsion Balance
about 1960
2007.1.111
Polaroid Close-Up Lens Kit
Polaroid Corporation
Polaroid Close-Up Lens Kit
about 1960
2007.1.135
Kodak Adapter Ring
Eastman Kodak Co., Rochester, New York
Kodak Adapter Ring
about 1960
2002.1.34845
Lantern Slide Projector
Charles Beseler Co., East Orange, New Jersey
Lantern Slide Projector
about 1960
2007.1.32
Potentiometer
General Radio Co., Concord, Massachusetts
Potentiometer
about 1960
2007.1.108
16 mm Film Projector and Reel
L-W Photo, Inc., Van Nuys, California
16 mm Film Projector and Reel
about 1960
2007.1.143
Night Sky Spectrograph
Carl Zeiss, Jena, Germany
Night Sky Spectrograph
about 1960
2014.2.1
Trapezoidal Window
Trapezoidal Window
about 1960
2014.2.12
Binocular Depth Perception Demonstrator
Binocular Depth Perception Demonstrator
about 1960
2014.2.16
Rods for Trapezoidal Window
Rods for Trapezoidal Window
about 1960
2014.2.17
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