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539 items

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/2aeeafa7ae1a2232be555aac2800e09f.JPG image/jpeg thumbnail

DC Ammeter

0-10 Amperes Model 280

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/d690da28183d3e174762ddcfe7eef46d.JPG image/jpeg thumbnail

DC Voltmeter

0-75 Volts DC Model 267

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/8df51f328535a5ca266d8c23552a5c11.JPG image/jpeg thumbnail

MilliAmmeter

0-100 MilliAmperes DC Model 1331

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DC Ammeter

0-50 MilliAmperes Model 287

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/dd98ea25a51c416e4e7499f3ace40785.JPG image/jpeg thumbnail

DC Voltmeter

0-800 Volts DC Model 489

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/961921e628658c6aa0680117395dce0a.JPG image/jpeg thumbnail

Decibel Meter

-.7 to 3 DB Model KX-7497

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/f940caee4f0ffbed2cfea1581d7f357f.JPG image/jpeg thumbnail

Multimeter

Model 521

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/7c0d18bcedfa09e5d3174f6292e45909.JPG image/jpeg thumbnail

DC MilliAmmeter

0-30 MilliAmperes

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/8db9def9b3e5d2925bff041ead7c1f93.JPG image/jpeg thumbnail

Breaker Contact

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/4b8195b7db2a04dbf2aa9fb2fbf98060.JPG image/jpeg thumbnail

Voltmeter

0-120 Volts Model 269

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/5ec17eb45a7a308b82f097770fa9cc41.JPG image/jpeg thumbnail

DC Ammeter

0-1.5 amperes DC Type DO-41, Model ABM219

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/02bc2f9b8dfa2ebe910738822f88e09a.JPG image/jpeg thumbnail

AC Ammeter

0-5 Amperes AC

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DC Voltmeter

0-250 Volts DC Model 31A

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DC Ammeter

0-50 milliamperes DC Model 741-59

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DC Ammeter

0-20 Amperes DC Model 1531

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/27e5254a8f9c9ba5c0f72afd953d80bd.JPG image/jpeg thumbnail

DB Voltmeter

-20 to 6 DB

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/2feb9d937509c24a02bccec5b6396a7a.JPG image/jpeg thumbnail

DC milliammeter

0-25 Milliamperes DC Model 301

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DC Voltmeter

0-75 Volts DC Model 267

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Power Meter

-0.5 to + 0.5 DB Model 961-58

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/186bebf0316ba9cf93cf33659fc9f9b2.JPG image/jpeg thumbnail

D.C. volt- and micromhos meter

0-100 Volts DC 0-30 Micromhos Model 1331

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DC Voltmeter

0-500 Volts Model 301

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/92bc9c2b600050f0dbfa44784a53f660.JPG image/jpeg thumbnail

DB Power Meter

-10 to 20 DB Model 146

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/a1f4460b7bc6d9f01c432ba175943236.JPG image/jpeg thumbnail

DC Voltmeter

0-350 Volts DC Ferris

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/230cda77699f57124b3294b36d6c397d.JPG image/jpeg thumbnail

Electrometer

Type DO-41, Model ABM219