May 11, 1917.

THE COLLIERY GUARDIAN.

891

It’s all in the rigid Rib.

gives

the desired lightness, but is far more attractive in appearance.

Hy-Rib is a Ribbed Steel Lath which needs supports at I Oft. centres only, and
readily takes 2 in. of cement plaster. Its use ensures the most rapid permanent con-
struction possible, the building costs little or nothing for maintenance and is superior in
every way to the usual type of building.

Illustration shows the Sharlston Colliery Co.’s Pit Head Buildings,
erected on this principle.

Send for Handbook and learn of ite utility.

THE TRUSSED CONCRETE STEEL C° LTD







No more unsightly buildings

The nature of the ground in colliery districts necessitates a light
account of ground trouble many unsii

______j ________ _________ __	_ _ type ol building. On

ghtly structures of timber and corrugated iron have been erected.
There is no longer any need for this. A building erected with Hy-Rib and structural steel not only

weight

64, CAXTON HOUSE, WESTMINSTER, S.W.

STEAM, MOTOR, BELT, OR ROPE-DRIVEN

AIR & GAS COMPRESSORS

From 50 to 15,000 cubic feet

FOR

COLLIERIES, MINES, Etc.

STEAM-DRIVEN AIR COMPRESSOR.



BELLISS

Telegrams:
“BELLISS, BIRMINGHAM.”

_______

& MORCOM

BIRMINGHAM.

ADVANTAGES:—

SIMPLICITY.

RELIABILITY.

DURABILITY.

HIGH EFFICIENCY.

SELF-LUBRICATION.

BEST WORKMANSHIP.

SMALL FLOOR SPACE.

MINIMUM MAINTENANCE

■' •'	’.I,1"I"!

/?■

• -’/X:

MOTOR-DRIVEN AIR COMPRESSOR.



LIMITED,

London Office:

8, VICTORIA STREET, S.W.