Full text of "A text-book of ore and stone mining .." : Consult Grill Plate Price
Olostration of htave aideways produced by a sliding along dip ot 87. Schmidt Bh^ied hats of steel for cross-Uta 1S2 J96. Barrow drill 1S3 197. Drill moanted on stretcher bar 1S4 ;;l-: , Google LIST OF ILLUSTRAIIONS. irii 198.