Coal classification and price nomographs

Call Number: 
MS Cady, G.H. #24
Author: 
Cady, Gilbert Haven, Albert Jorgensen
Date: 
1930
Description: 
30 p., 2 plates.
Notes: 

Nomographs for determination of relative price of coal, oil, and gas on equal or varying efficiency basis, using Parr's coal classification.

Keywords: 

Coal

Added Entries: 

Jorgensen, A.

 

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