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(101 - 120 of 247)
Unidentified tube
Title
Unidentified tube
Format
photograph: negative
Description
Nothing more is known about this device.
Molecular models, student
Title
Molecular models, student
Format
photograph: negative
Description
Brightly colored wooden balls and pegs in black pasteboard box. No instructions or packing list; unknown whether it is complete. Mfg. O.H. Johns Glass Co., Toronto
Delta Wing test model
Title
Delta Wing test model
Format
photograph: negative
Description
Invented by William C. House, BSAE Caltech, 1940. With wooden case.
Military slide rule
Title
Military slide rule
Format
photograph: print
Description
American Blueprint Co. military slide rule. Housed in leather case.
Galvanometer, DC, moving coil, reflecting type R
Title
Galvanometer, DC, moving coil, reflecting type R
Format
photograph: negative
Description
According to Leeds and Northrup catalog ED 1936, this is a DC, moving coil, reflecting galvanometer, type R. Mfg: Leeds and Northrup Co., Philadelphia, PA.
Berger Transit
Title
Berger Transit
Format
photograph: print
Description
C.L. Berger & Sons transit. Model # 31653. Used by Kerry Sieh. Housed in wooden case.
Dietzgen odometer
Title
Dietzgen odometer
Format
photograph: print
Description
Chronometer style rolling analog Dietzgen odometer. Accuracy to 1/10″.
Bulb, unidentified
Title
Bulb, unidentified
Format
photograph: negative
Description
Function unknown. Mfg. General Electric.
Globe, new terrestrial
Title
Globe, new terrestrial
Format
photograph: negative
Description
Mfg: C.S. Hammond & Co., NY.
Wrico lettering set
Title
Wrico lettering set
Format
photograph: print
Description
Used for drafting. Housed in bakelite box.
Chemistry models, plastic
Title
Chemistry models, plastic
Format
photograph: negative
Description
Part of alpha helix and a peptide or amide group. Mfg. CIT Instrument Shop.
Air Flow Meter
Title
Air Flow Meter
Format
photograph: print
Description
Probably used on a glider owned by Paul B. MacCready. Air flow meters were typically attached to variometers in order to measure rate of climb.
Pentode, high voltage
Title
Pentode, high voltage
Format
photograph: negative
Description
Function unknown. Not clear from Mendenhall files what this is, though it appears to have “HV” [high voltage] written on it in Mendenhall’s hand.
Zeichenapparat (drawing apparatus)
Title
Zeichenapparat (drawing apparatus)
Format
photograph: negative
Description
Used in conjunction with microscope to copy projected images. In wood box. Mfg. Carl Zeiss, Jena, Germany.
Light bulb, Mazda BS 2435
Title
Light bulb, Mazda BS 2435
Format
photograph: negative
Description
With original box with CIT class card. Used in Dielectrics course (EE52). Mfg. General Electric.
Glassware, Pyrex (ca. 30 pieces)
Title
Glassware, Pyrex (ca. 30 pieces)
Format
photograph: negative
Potentiometer, white double
Title
Potentiometer, white double
Format
photograph: negative
Description
Serial no. 209395. The instrument is described in Leeds and Northrup Bulletin no. 726 (1927). Purchased by CIT in 1950. Mfg: Leeds and Northrup Co., Philadelphia, PA.
Unidentified fuze parts, one external, two internal
Title
Unidentified fuze parts, one external, two internal
Format
photograph: negative
Description
“A”: 2.75″ long, 3.25″ diameter (external part). “B”: 2.31″ long, 1.375″ diameter. “C”: 2.25″ long, 1.375″ diameter.
Ion chamber, early (C)
Title
Ion chamber, early (C)
Format
photograph: negative
Description
Large cylindrical electroscope used by Millikan in early cosmic ray research. Mfg. CIT Physics Shop.
Cosmic Ray Measuring Device
Title
Cosmic Ray Measuring Device
Format
photograph: negative
Description
Includes ion chamber and antenna (see ST-CR-13.2). Shop-made. 17″ tall, 11″ diameter.