Roberts CR99712 Manual do Utilizador descarregar pdf (Página 267)

100

101

Chapter 82

MINERALOGY AND

MINING.

=Rock Blasting.= By G. G. ANDRE. 12 plates and

56 illus. in text, 202 pp. 8vo. (1878 ) 5 0

=Winding Plants for Great Depths.= By H. C.

BEHR. In two parts. 8vo, sewed. (1902 ) net 2 2 0

=Practical Treatise on Hydraulic Mining in

California.= By A. J. BOWIE, Jun. Tenth

edition, 73 illus. 313 pp. royal 8vo. (New York,

1905 ) net 1 1 0

=Tables for the Determination of Common

Rocks.= By O. BOWLES. 64 pp. 18mo, boards.

(VAN NOSTRAND SERIES, No. 125.) (New York,

1910 ) net 2 0

=Manual of Assaying Gold, Silver, Copper and

Lead Ores.= By W. L. BROWN. Twelfth edition,

132 illus. 589 pp. crown 8vo. (New York, 1907 ) net 10 6

=Fire Assaying.= By E. W. BUSKETT. 69 illus.

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