Transactions . JROSS-SECTION OF PLACE OF IR-MtASUREMENT TO No. 2 GUIBAL FAN. FlG. 20.—CROS3-SECTION OF PLACE OF AIR-MEASUREMENTIN OPIFT T^ WADDLE FAN. Scale, 10 Feet to 1 Inch. Vol XV. Plate XVI. . To iZlMStrate /><??/?/ on M&chccrUc-al VerUU^Uora \,„ xat. ft WINGATE GRANGE COLLIERY. PELTON

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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1887