Browse Items (69 total)

Rittenhouse Tables of Contents

Rittenhouse_ToC v1-23 FULL.pdf
A simple consolidation of the tables of contents of the full run of the journal Rittenhouse, volumes 1 through 23 (numbers 1 through 70)

magnetic field apparatus

magRotator(PHYS-storage)-0.JPG
Physical descriptionFuncitonal description

Model C-31 Vibration Pickup Calibrator and Exciter MANUAL

WB Model C11 Pickup Calibrator (38pp).pdf
A 38pp. manual of operation for this instrument.

Precision Systems ”Osmette” Prescision Osmometer

OsmetteOsmometer_MEEM1105x(Bio)-1a copy.JPG
Physical Description

Functional Description

HCE Rotopol polarizing unit

Bio-Polarizer-1.JPG
Physical Description Two polarizing lenses on a hexagonal shaft.  The two lenses are each in a metal ring with a hexagonal handle, and the smaller of the two fits in the larger to make a double-ended (dumbell) object. The smaller of the two lenses…

Salmoiraghi Planimeter model 236-A

Bio-Salmoiraghi Planimeter-1.JPG
Physical Description

Functional Description

Snatch block meter wheel

GLRC-Snatchblock-1.JPG
Physical DescriptionA large pulley wheel in two slightly domed faces, the one communicating the axle of the pulley into a geared couting box with small dial ponters on either side.Functional DescriptionAs the cable passes though the main wheel, the…

Pantometer (Vernier Surveyor's Cross with Compass)

Pantometer(SocSci) - 1 copy.JPG
Physical description: A nickeled brass surveyor's cross in a wooden fitted case. The cross consists of a cylinder with a compass on the top and a gimbaled socket on the bottom for mounting on a stake or tripod. The main body of the instrument…

Tags: ,

Enraf Nonius Cad 4 Turbo X-ray Diffractometer

Diffractometer_(chemistry)-1.jpeg
Physical Description:

Machine is black, white and gray with a square base. The back of the base has several slots for the cords to be attached. On the back side is also a long thin piece of silver metal with inscriptions SERIE NR., U.S.PAT.…

Michigan Mining School Petrographic Slides

MicroscopeSlides (6).jpg
Physical Description: Two light-colored pine boxes with no cover or top feature slots for 36 individual glass microscope slides. The boxes do have empty spaces and they are glued together. There is no hardware on either box. The slides display thin…