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559 items

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/cc9e1f30181acc346c6eb8fc13d6aae6.JPG image/jpeg thumbnail

Lightmeter

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/b6734a2d32779926547076ccd8a29fc8.JPG image/jpeg thumbnail

Sight-Light Meter

Model 703, Type 3
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d8a842033dd1e6afcba1893afb186607.JPG image/jpeg thumbnail

Two Mirrors

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/e4a10a99598a9d5645b3e1355bfb4772.JPG image/jpeg thumbnail

Small Mahogany Telescope with Mounting Post

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/fc6a573e1f6faf6afee56791bf27a707.JPG image/jpeg thumbnail

Small Brass Telescope

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/4c691b96a100eea8ed4eb7007b000a9c.JPG image/jpeg thumbnail

Brass Telescope

Brass Telescope Mark 1 USN
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ad9031bda62da063d91f0328d48d4508.JPG image/jpeg thumbnail

Telescope

Mark 1 USN
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/97f6fc0e98e65ad13e288dfe9444fb39.JPG image/jpeg thumbnail

Optical Bench Light Source

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/76f75207420fadc882b7da16b5301033.JPG image/jpeg thumbnail

Photonic Cell and Meter

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/361453bb29010d144829836240c9de6c.JPG image/jpeg thumbnail

Photonic Cell

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/dd82434b90d04221b6e9732eb0387864.JPG image/jpeg thumbnail

Photonic Cell

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/f9fbe0e625f38fbb88d04b46a1bc8d30.JPG image/jpeg thumbnail

Mounted Transcontinental Cable Section

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ec2ecf1bdf8f0a1195a29c9c4d04cd59.JPG image/jpeg thumbnail

Telegraph Key CJB26003A

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/da9245a689d7543d200cc568c250fadc.JPG image/jpeg thumbnail

Telegraph Key Bakelite Base

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d5df2d314561322772d246a583a58b51.JPG image/jpeg thumbnail

Telegraph Key on Metal Box

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Telegraph Sounder

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/cc6154cdafcc8b53bf69089fa95cd0fd.JPG image/jpeg thumbnail

Cable with Many Wire Pairs

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Black Rotary Dial

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

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Pair of Switches

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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