July 10, 1914..

THE COLLIERY GUARDIAN.

115

FOUNDED 1895.

THE
QUARRY,

The Organ of the

Stone, Marble, Slate,
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® EFFICIENCY & WEAR

2 MOST IMPORTANT POINTS

co have in mind when purchasing Machine-cut Gearing.

THE

GENUINE

DOUBLE HELICAL GEARS

Offer all this and more. Made from specially selected
material, with teeth accurately cut in one continuous
piece direct from the solid—they are an ideal drive
for heavy power transmission.

SILENT RUNNING.

David Brown & Sons <hfd> Ltd., Huddersfield

HUGE

PRESSURES
a GAUGE
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J WA5HER5
F LUBRICflTORSnt

L/5T5 O* SWWCM/OW.

LASSES

TREASURE

VflUXHRUR?
L LIVERPOOL

“SHELTON’ IRON.

“SHELTON” STEEL (■»=.)
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IRON & STEEL BARS, ANGLES, TEES, CHANNELS, GIRDERS,
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1881.

THE STANDARD WORK ON
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By T. C. FUTERS, JVI.IiiRt.IVLE.

(1938 illustrations).

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NEWTON, CHAMBERS

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ESTABLISHED 1793,
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NAPS of the BRITISH COALFIELDS.

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