1152

THE COLLIERY GUARDIAN

December 15, 1916.

Si



OSRAM-ATMOS

a
w

:$!•



This Mark signifies lamps burning in a volume of inert gas, with
filaments of a peculiar coil formation, generally known as
“Half Watt Lamps.” They are manufactured under funda-
mental patents, at the Osram Lamp Works, Hammersmith, W.

g

H

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

O

i

ti

ESS

IO
M

h

h

W'

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
TYPE

PATENT





EFFICIENCY TWICE SiT. ORDINARY TUNGSTEN LAMP

I Advt Of the GENERAL ELECTRIC C? C? Head Office.67. QUEEN VICTORIA ST London.E.C.	2^