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Book of Standards

Containing Tables and Useful
Information Pertaining to Tubular
Goods as Manufactured by

National Tube Company
Pittsburgh, Pa.

Price, Two Dollars

NATIONAL TUBE COMPANY

HARVARD COLLEGE

LIBRANY

Copyright, 1913,
By

NATIONAL TUBE COMPANY
Pittsburgh, Pa.

National Tube Company

Manufacturers of

Black and Galvanized Wrought Pipe In sizes from 8 inch to 30 inches

Boiler Tubes

Lap-welded, Spellerized Steel Shelby Cold Drawn and Hot Rolled Open Hearth Seamless Steel

Casing, Tubing, Drive Pipe,
Drill Pipe, Gas and. Oil Line
Pipe, Working Barrels, Etc.

Water and Gas Mains

Converse and Matheson Lead Joint Pipe
for Water and Gas Mains

Cylinders

Lap-welded and Seamless for Anhydrous
Ammonia, Compressed Air, Carbonic
Acid Gas, Nitrous Oxide Gas, Etc.

Shelby Seamless Steel Mechanical Tubing and Miscellaneous Forgings

A Complete Line of Malleable, Cast Iron

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