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http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/6c80d215384f81e501b68967b0b32a16.jpg image/jpeg thumbnail

Small Magnetic Dip Needle

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/688c6b3c480c7ba2b17f706b578a3d15.JPG image/jpeg thumbnail

Telegraph Key on Wooden Base

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ef332f665d5c2b64482876c9b0c7fa06.jpg image/jpeg thumbnail

Compass Needle on Stand

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/c067abf7be9ecb1744eaabac9cde6422.jpg image/jpeg thumbnail

Large Boxed Magnets

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/88a12e1acf8ce5b8448ddc5dcaeadf09.jpg image/jpeg thumbnail

Small Boxed Magnets

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/92487166ae577806506086326fa8cfab.JPG image/jpeg thumbnail

Hollow Coil with Orange Covering

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/b032b13637e0a350b983d609233a2f0b.jpg image/jpeg thumbnail

Telegraph Recorder

This telegraph recorder used tape to record dots and dashes. It is missing its stylus.
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Electrostatic Planetary System and Electric Whirl

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/753dab11ef7a6ed9da65d0d2544e22f2.JPG image/jpeg thumbnail

Leyden Jar

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/46a467786a254f09a0bdd6e95d56d213.jpg image/jpeg thumbnail

McIntosh Milliammeter

One of these is in the Smithsonian labeled a “dosage meter.” It probably is part of a medical fake.
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/3e376317bdbbba04a5d6279dcc5bea70.JPG image/jpeg thumbnail

Capacitance Box No. 51013

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/f18fb925ce1a1a1e1fd060ba0b4a6de3.JPG image/jpeg thumbnail

Resistance Box

General Radio Two Dial Resistance Box #433
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d7e5e7444d2fd1884ca6928a436d3138.jpg image/jpeg thumbnail

Telegraph Sounder

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/2a6b876930c3958ff5b1bc95a86f763d.jpg image/jpeg thumbnail

Telegraph Dial

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ca9115bfe913d58538ef8144111ffee3.JPG image/jpeg thumbnail

Quadrant Electrometer with Cover

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/a6c8daa2a2dc1d3322e05332e1e40924.JPG image/jpeg thumbnail

Early Transistor

Sent to Grant Gale at Grinnell by John Bardeen at Bell Telephone Labs in 1950
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Hot Cathode X-ray Tube with Metal Collimator

According to Grant Gale, this belonged to Dr. Lemley, the first dentist in Grinnell to have x-rays.
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Discharge Tube with Collimator

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Cold Cathode X-Ray Tube

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Anode Ray Tube

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/7e802af117aeb07e59a3cab6a6f3262f.JPG image/jpeg thumbnail

Microscope with green base

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/a95fbcd3c96de3c0cd076f167ac493e6.JPG image/jpeg thumbnail

Microscope with Heavy Iron Base

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Microscope

(No Name)
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/ab7f58f20e39c45575809ba25e5e0ca5.tif image/tiff thumbnail

Spencer Microscope No. 6872 with 2 objectives