Jowlabar Collection | University of Toronto Scientific Instruments Collection

Jowlabar Collection

Ingots of Cerroshield Alloy

Two small metallic ingots. The ingots have a rectangular footprint and taper slightly towards the top surface. The ingots have moulded lettering on their top surfaces.

Pocket Barometer and Altimeter

A round instrument with a magnifying lens that can be positioned along the instrument’s circular scale. The instrument has a black metal housing and a silver engraved face under a glass cover. A black needle provides a reading along a circular dial. The scale is in metric.

A cylindrical, unopened container of paper filters. The container is made from natural tree bark and contained five hundred “No. 00R” 11cm paper filters. The top and bottom surface are covered in a manufacturer’s label that is brown in colour.

Leitz Optical Microscope

This collection includes a microscope, its wooden box, and a number of additional components. This artefact consists of the following parts: 2017.che.48.1: A Bausch & Lomb optical microscope with a rotating bed and mechanical stage. The microscope is finished in black and polished steel. The head of the microscope is [Read More...]