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(1549)
CALEDONIAN PATENT LAP-WELDED
COATBRIDGE, NEAR GLASGOW,
WILLIAM BAKER, PROPRIETOR.
MANUFACTURER OF THE
Patent Lap-Welded Iron Tubes, for Marine,
Locomotive and other Boilers,
Wan an ted of Uaiform Strength from end to end, and to stand any Pressure that may be applied to them
in use, either internally or externally.
ALSO, THEIR
So universally used now in Mining Operations, and
STRONG TUBING,
SCREWED AND COUPLED FOR STEAM PIPING AND HOT WATER APPARATUS.
N.B. — All Tubes before leaving the Works are proved at a pressure of 1G00 Pounds to the Inch internally.
PATENT CIRCULAR FORGE. CIRCULAR PATENT DOUBLE BLAST.
HARROP & HAGUE,
Manufacturers of every description of PATENT AND COMMON BELLOWS, PORTABLE
FORGES, BLOWING MACHINES, &c.
NORFOLK STREET, SHEFFIELD. *& '
Illustrated Prospectuses with full particulars on application to the Works, or by Post
167 S 59

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