Oxygen meter, Pauling, Model K

Title
Oxygen meter, Pauling, Model K
Collection
Caltech Images Collection
Series
Scientific Instrument Photographs
Identifier
ST-CH-08
Extents
1 photographs (negative)
Abstract
Serial no. 2. Wood box, handle on top. On/off switch on front; dial lacking indicator card. Mfg. F&P Co.
IIIF Manifest