December 22, 1916.

THE COLLIERY GUARDIAN.

1209









1

OSRAM-ATMOS

■	A ?7?? TYPE

This Mark signifies lamps burning in a volume of inert gas, with	11

filaments of a peculiar coil formation, generally known as	IJ

“ Half Watt Lamps.” They are manufactured under funda-	IJ

mental patents, at the Osram Lamp Works, Hammersmith, W.	I I

I

a

<>$ :

n
J

tel

•/. //•'/

, h

a

I

I

1

'iffT.

Such lamps are approximately TWICE AS EFFICIENT as ||
ordinary Tungsten Lamps, and consequently GIVE DOUBLE 11
ILLUMINATION WITHOUT INCREASING THE COST ||
OF ELECTRICITY.	If

Advt

MP

■

TYPE

PATENT .

1

a





OSRAM-ATMOS TYPE LAMPS are particularly
recommended for SHIPYARDS, FACTORIES,
MILLS, DOCKYARDS, RAILWAY STATIONS,
and are extensively used by the ADMIRALTY,
WAR OFFICE and MINISTRY OF MUNITIONS.





OSRAM ATMOS

1

■