Original vintage optical industry trade magazine ad for PRECISION THERMOMETER AND INSTRUMENT COMPANY of Philadelphia, PA. Pentane Thermometers graduated in one degree divisions for low temperature investigations. Old 1922 optical, medical laboratory industry advertisement.
precision thermometer instrument company 1922 pentane vintage ad
- Product Code: s248
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 10
- Availability: In Stock
- $20.00
$15.00
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