Chemical Match Output

Number:18d

Maker:Dyna-Slide Mole Fraction Slide Rule
PHOTO

Length: ⌀ 14.2 cm

Gauge Marks:

Scales Front: Special Scales

Scales Back: Special Scales

Info: Herman's Archive
Further information added by FanHsiu Chang
This one is a DIY version, I have seen factory made on eBay before.
The MolA, MolB, NA, XWA scales on the I/EC Mole Fraction side are equivalent to the M1, M2, Xw, X scales on Hemmi 257.
Hemmi 257 has F(t) scale for AIR and H20 adiabatic calculations. The scales on the I/EC Adiabatic side are more versatile with proper Cp/Cv ratio of specific heat of gases.