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1752 objects found.

Helium-Neon Laser
Perkin-Elmer
Helium-Neon Laser
about 1970
2002.1.34744
MCF Diffusion Pump
Consolidated Vacuum Corporation, Rochester, New York
MCF Diffusion Pump
1970s
2005.58.10
Vacuum Mastergauge
Marsh Instrument Company, Skokie, Illinois
Vacuum Mastergauge
1970s
2005.58.11
pH Meter Zeromatin
Beckman Instruments Inc., Fullerton, California
pH Meter Zeromatin
1970s
2005.58.15
Duo-Seal Vacuum Pump
Sargent-Welch Scientific Company, Skokie, Illinois
Duo-Seal Vacuum Pump
1970s
2005.58.17
Osmette Precision Osmometer
Precision Systems, Inc., Sudbury, Massachusetts
Osmette Precision Osmometer
1970s
2005.58.19
Renewable 450 AMP Fuse
Shawmut
Renewable 450 AMP Fuse
about 1970s
2005.58.28
Projecting Microscope
Leitz Wetzlar, Germany
Projecting Microscope
about 1970
2002.1.35230
Interference Demonstration Apparatus
Unknown Maker
Interference Demonstration Apparatus
about 1970
2002.1.34422
Diffraction Grating, (300g/mm)
Jarrel-Ash Co., Newtonville, Massachusetts
Diffraction Grating, (300g/mm)
about 1970
2002.1.35339
Maydan Modulator
probably General Scanning, Inc., Watertown, Massachusetts
Maydan Modulator
about 1970
2002.1.35353
Solid-state Radio, braille, VHF/UHF/FM/AM
RCA, Camden, New Jersey
Solid-state Radio, braille, VHF/UHF/FM/AM
about 1970
2007.1.22
Triple Beam Balance
Ohaus Scale Corp., Union, New Jersey
Triple Beam Balance
about 1970
2007.1.113
Triph Beam Balance
Ohaus Scale Corp., Union, New Jersey
Triph Beam Balance
about 1970
2007.1.127
Vacuum Masterguage
Marsh Instrument Company, Skokie, Illinois
Vacuum Masterguage
about 1970
2007.1.129
Torsion Balance
Torsion Balance Co., Clifton, New Jersey
Torsion Balance
about 1970
2007.1.114
Variable Capacitor
The Eppley Laboratory, Inc., Newport, Rhode Island
Variable Capacitor
about 1970
2007.1.105
Selected Round Curvettes
Coleman Instruments Inc., Maywood, Illinois
Selected Round Curvettes
about 1970
2007.1.130
Portable DC Voltmeter
Simpson Electric Co., Chicago, Illinois
Portable DC Voltmeter
about 1970
2007.1.131
Polariod Land Camera Back #226
Polaroid Corporation
Polariod Land Camera Back #226
about 1970
2007.1.128
Portable Volt-Ohm-Milliammeter
Simpson Electric Co., Chicago, Illinois
Portable Volt-Ohm-Milliammeter
about 1970
2007.1.140
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