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8 items

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/c0220a91b07634d0fa42c1023226c257.JPG image/jpeg thumbnail

Dew Point Apparatus

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/fe58a4b658febfdbd502ef63cafdafe7.jpg image/jpeg thumbnail

Psychrometer, Sling, without handle

https://digital-grinnell.nyc3.digitaloceanspaces.com/GrinnellCollegePhysicsMuseum/Images/th_100_densityBall_cenco.JPG image/jpeg thumbnail

Cenco Density Ball and Box

Density Ball floats in tap water, sinks in water at 85 F or higher. Label on box contains CENCO trademark indicating ball was purchased after 1909; otherwise, date is unknown.
http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/8dcc055d46cc1fac23731d3e630fece8.JPG image/jpeg thumbnail

Radiometers

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/36f062eb5c3238e2ef40d0779450dfb2.JPG image/jpeg thumbnail

Thermostat

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/5c1a5d4d1930e1a26451368a38704b85.JPG image/jpeg thumbnail

Cooling by Radiation Demonstration

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/24d55a0fe857bdcc8b4f496d54d91c23.JPG image/jpeg thumbnail

Thermometer

http://omekax.grinnell.edu/PhysicsInstrumentMuseum/files/original/c5723b45b681d1dd5860564f6537b14c.JPG image/jpeg thumbnail

Dewpoint