Browse Items (53 total)

A rectangular shaped (304.4 Length X 165.1Width X 355.6 Height mm) device. This frame is made of metal that is painted everywhere except the stainless steel bottom. The front of the calculator contains a panel and display board. The panel holds 56…

Physical Description: The two-circle contact goniometer has a tripod brass base painted black. A small brass graduated disc is connected to the center of the base on a pedestal, and the center of this disc is allowed to rotate. A small pedestal is…

Physical Description:The transit is broken up into three different layers. Starting at the base, there is a opening in the bottom allowing the device to be fixed to a tripod, or legs as they were referred to by Gurley, the creator of the transit. (1)…

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…

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A simple consolidation of the tables of contents of the full run of the journal Rittenhouse, volumes 1 through 23 (numbers 1 through 70)

Physical Description: This civil engineering instrument stands at 3 feet 2 inches tall. This machine consists of a base with the dimensions 13.75" x 9.5" x 3.5", a ground stand, and a lowercase “r” shaped frame. The frame holds a scale arm with an…

Physical Description This Richter drafting set has an original wooden case covered in a thin black leather and shaped with brass wire. The top of the case is stamped in gold with a company logo reading: “Pracision|E.O. Richter & Co; Arctic Coal…

Physical Description: Rectangular brass box with removable lid on top of black iron base. Brass box is mostly hollow. A shaft with a heavy wheel on it runs through the box; the wheel is inside the box. On either side of the box, centered around…

Functional: The Raman Spectrometer was and is used to measure stretching of bonds by measuring the inelastic scattering of light, which are output in lines of light also known as excitation lines, for the sample being collected. To test a sample the…