HALDEN'S
HALDEN'S
CONTINUOUS PHOTO-
COPYING MACHINE.
Copies two tracings of
unlimited length.
HALDEN'S
DUPLEX RADIAL ELECTRIC
COPIER.
Copies two tracings at
the same time.
WRITE FOR CATALOGUE OF
DRAWING INSTRUMENTS,
SURVEYING INSTRUMENTS,
DRAWING PAPERS,
MOUNTED PAPERS,
TRACING CLOTHS,
TRACING PAPERS,
PHOTO PAPERS.
THE LARGEST MANUFAC-
TURERS OF
ENGINEERS' PHOTO PAPERS.
J. HALDEN & CO., LTD. 8, Albert Square, Manchester.
8&9 Gt. Chapel St. LONDON,8.W.