Signedplaque on back of attachment: Tektronix / OSCILLOSCOPE / CAMERA C12 / U.S. PATENT D 190975 / SERIAL / 008100 / OTHER PATS. PENDING / TEKTRONIX INC., PORTLAND, OREGON, U.S.A.
on photographic camera: POLAROID
Inscribedon lens collar: SERIES 125 - f1.9 - 1:0.9 MAG. / TEKTRONIX, INC., PORTLAND, OREGON
sticker on side of attachment: Harvard University Physicis Dept. / CYCLOTRON LAB
plaque on side of attachment: U.S. GOVERNMENT PROPERTY / 91760-329121
sticker on Polaroid camera: Harvard University Physics Dept. / DUNBAR COMPUTER
interior lens: ILEX 3 INCH (75 mm) f 1.9 / OSCILLO-PARAGON 1:0 9X
FunctionOscilloscopes are used to show signal voltages on two-dimensional graph. Beyond this, they are very versatile and widely used accross different scientific fields. This one was designed to be used with a Polaroid camera.
ProvenanceFrom the Department of Physics, Cyclotron Laboratory, Harvard University.