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Lewis Oliver & Phillips; H. B. Newhall, Agt... New York.......................
Carriage Hardware, Wheels, Spokes, &c.

WEIGHTS AND DIMENSIONS OF LAP-WELDED IRON BOILER FLUES.

LIGHT WROUGHT IRON ARTESIAN TUBE AND CASING FOR OIL WELLS

VOSE, DINSMORE & Co.

CAR SPRINGS,

RAILWAY SUPPLIES,

FRENCH STEEL,

STEEL RAILS, TIRES, &c.

Principal Office, 32 Warren St., New York.

Branch Offices:

52 Fifth Avenue, Chicago,
{ 720 North Second Street, St. Louis.

BARWICK WRENCH COMPANY,

Proprietors

and Sole

Manufacturers

of the

Barwick Patent Wrench**, Pipe-Tongs.

PIPE TONGS, WRENCH AND PLIERS COMBINED IN ONE.

All Steel, Six Sizes, Instantly Applied, Convenient and Reliable.

ALSO,

MANUFACTURERS OF THE

CELEBRATED

PACKER RATCHET and DRILLS.

Adopted by the U. S. Government, and in use in áll Navy Yards
and Government Shops, and in all the principal

Machine Shops in the country.

OFFICE, No. 5 PEMBERTON SQUARE, BOSTON.

To resist actual compression and bulging, should be used in layers, with inter vening division plates; if used in bulk, should have retaining rings to preven bursting.

The duration of spring depends, of course, on its quality. Pure rubber is of little use; it must be vulcanized. It is adulterated with plumbago, though in best springs as much as 40 per cent. foreign substances are used-principally sulphide of lead and soapstone.

BOLEN, CRANE & CO. Machinists. Tool Builders

23, 25, 27, 29 PLANE ST., NEWARK, N. J.

MANUFACTURERS OF

Railroad Tools and Equipments

FOR MACHINE SHOPS, SMITH and BOILER SHOPS.

PLANERS, DRILLS, SHAPERS, LATHES,

BOLT CUTTERS and NUT TAPPING MACHINES,

SLOTTING, KEYSEATING, BORING and GEAR CUTTING MACHINES,
AXLE LATHES, CENTERING MACHINES, CRANK PIN PRESSES,
DRIVING WHEEL LATHES, HYDRAULIC WHEEL PRESSES,
PUNCHES, SHEARS, BENDING ROLLS, &c.

STEAM HAMMERS OF IMPROVED CONSTRUCTION.

WE MANUFACTURE A FIRST-CLASS

DIRECT ACTING STEAM PUMP.

ALSO STEAM ENGINES, SHAFTING and PULLEYS.

New York Leather Hose Manufacturing Co.

DARROW, TURNER & CO.

35 SPRUCE ST.,

NEW YORK,

FIRE ENGINE HOSE MADE FROM THE BEST OAK TANNED LEATHER, and of the best workmanship, furnished at short notice. ALSO, Fire Buckets, Couplings, Hose Pipes, Suction Hose, &c.

AND Fire Department Supplies Cenerally.

All kinds of Repairing to Leather Hose Done at Short Notice.
Old Hose taken in Exchange for New.

All kinds LEATHER BELTING at Lowest Prices,