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539 items

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/a9b1ff0f93ac9dc8c949e980b31bdba0.JPG image/jpeg thumbnail

Large White Rotary Dial

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/1b1e8a098778a394251f2e7b591d10f8.JPG image/jpeg thumbnail

Gray Keypad

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/780da879205d4792410b5a4117dd80a8.JPG image/jpeg thumbnail

Pair of Switches

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/0c59a7eefe41d96e49b589d47486e6ca.JPG image/jpeg thumbnail

Black Rotary Dial Desk Phone

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/4035ecbf9ef24032087ea7e03cf35d63.JPG image/jpeg thumbnail

Rotary Dial Wall Phone

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/e76fb4220455bf9e96237b3108cc6460.JPG image/jpeg thumbnail

Phone Receiver

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

Candlestick Phone ca 1900

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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

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d578b29c5fdf980862021972cb16ae02.JPG image/jpeg thumbnail

Drawing Instruments in Leather Case

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/cd72173a19ca840a506282759ffbcee6.JPG image/jpeg thumbnail

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

Model EL-8159
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/3f690e86ba2842e6ca12ee58409ea146.JPG image/jpeg thumbnail

Marchant Calculator

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/3e438aa7c79502afa55f29810d05071a.JPG image/jpeg thumbnail

Clary Calculator

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/4e46927ba2a945247ac92d9fe3722fae.JPG image/jpeg thumbnail

Electric Calculator

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/e29a5f3bdcc5187a90ca18447bbf701d.JPG image/jpeg thumbnail

Foot X-ray Machine

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d5c3a93eab36687195ddd1bccd1e5796.JPG image/jpeg thumbnail

Telegraph Key

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/f4f08522b4f0dbe75665d501156376d0.JPG image/jpeg thumbnail

Lantern Glass

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/2525f9760427211d5b6127ef2b5a558c.JPG image/jpeg thumbnail

Radio Transmitter

Model HT-40