Chemical Match Output

Number:14

Maker:D&P Chemical Slide Rule
PHOTO

Length: 25 cm

Gauge Marks:

Scales Front: Chemical Scales

Scales Back: Chemical Scales

Info: Richard Davis Collection
Slide front and rear showing different chemical scales.
Back, not shown, a table giving the molar mass of various elements or compounds
Possibly the C46 Chemiker, 1924/30