Pacific cryptography
for the use of operators in mining stocks, mining superintendents, bankers and brokers
Bloomer, John Godfrey
creator
comp.
text
cau
San Francisco
J.G. Bloomer
1874
2d ed.
monographic
eng
164. p. 19 cm.
by J.G. Bloomer ...
Cipher and telegraph codes
Mining
HE7677.M6 B62
ca 07003696
DLC
950824
20260227111044.0
ca 07003696