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http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ec1f3a7c977a47b6bc750d23798d4680.JPG image/jpeg thumbnail

Candlestick Phone ca 1900

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/b85eeb2c5cfbc2341b8a7acf9fa59fd6.JPG image/jpeg thumbnail

Candlestick Phone Modified for Dial ca 1900

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/f22dddd8ef9e46ca391ec3c4edd53d7b.JPG image/jpeg thumbnail

Microscope

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/3e5ab48f00e71ad854ea4beb9853d002.JPG image/jpeg thumbnail

Spencer Microscope 115833

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/7475e386152e818b5cac01d260fda8f4.JPG image/jpeg thumbnail

Solar Microscope

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/75cee3a0dadd748f3aa7b1de283e726b.JPG image/jpeg thumbnail

Microscope Polarizers

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Drawing Instruments in Leather Case

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6 inch Silicon Wafer with 386 Chips

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/b155a2ad710d92eb11f07d9d0830f78d.JPG image/jpeg thumbnail

Grinnell College's First Adding Machine

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/b6c011fec44857009b4708d0668ef84c.JPG image/jpeg thumbnail

Early 1900s Monroe Adding Machine

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/cf33b63aaf5ae5b2eaefb457dbcdaf10.JPG image/jpeg thumbnail

Sharp Calculator

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Marchant Calculator

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Clary Calculator

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Electric Calculator

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Foot X-ray Machine

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Telegraph Key

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Lantern Glass

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Radio Transmitter

Model HT-40
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/210d86819aba6fb52ad861acd6dcf521.JPG image/jpeg thumbnail

Anoxia Photometer

Model 17-006
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d451a19122a2ecf998e361753211c9a3.JPG image/jpeg thumbnail

Lightning Rod

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Micrometer Head for Telescope or Microscope

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Four Coil Aerocoil for Tuning Radios

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Wang Electronics Package

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Craig Calculator