A. G. THORNTON Ltd.
SLIDE RULES FOR Paragon Works ACCURATE SECTIONAL
ENGINEERS 2 King St. West PAPERS AND CLOTHS
MANCHESTER
D 1916 Illustrated Catalogue, just published, in two editions; Drawing
Office (448 pages); Draughtsman’s (160 pages): the most complete
Catalogues in the trade.
_CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY_
_Manufacturers also of Drawing Materials and Drawing Office Stationary._
(ALSO AT MINERVA WORKS AND ALBERT MILLS, MANCHESTER.)
MATHEMATICAL INSTRUMENTS
SURVEYING INSTRUMENTS
SLIDE RULES
For Students and Engineers