Bodensee Collection

1 item

The Bodensee Collection consists of over 250 scientific instruments, equipment, and tools that formerly constituted the Museum of Instrumental Analysis at the Bodenseewerk Perkin-Elmer in Überlingen (1954-2000).

Start Over Creator Coleman Electric Co. (Maywood, Ill.) ✖ Genre Scientific apparatus and instruments ✖ Rights Public Domain Mark 1.0 ✖ Subject Coleman Electric Co. (Maywood, Ill.) ✖

1 entry found

Scientific apparatus and instruments, Electronics

Coleman Model 3D pH Meter
- 1938
Self contained pH meter with wooden exterior; hinged top door opens to reveal meter face and inlaid paper instructions for use; the double scale reads pH and millivolts; hinged door on left side of wooden case opens to…
- Manufacturer Coleman Electric Co. (Maywood, Ill.)
- Subject Hydrogen-ion concentration--Measurement--Instruments, Coleman Electric Co. (Maywood, Ill.)

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Coleman Model 3D pH Meter