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W. F. STANLEY & CO. LTD. 
Quote Stanley’s ‘A’ Catalogue 
MISCELLANEOUS 
(Continued) 
READING GLASSES AND MAGNIFIERS 
A897I 
A897I Stanley’s Improved Aplanatic Magnifier. This magnifier is of the highest 
class, specially designed to give a large flat field and excellent definition. It is 
entirely free from chromatic aberration. 15 mm. diameter. Magnification 
10 diameters, in folding mount for the pocket. 
A8973 Fortesting linen or paper, measuring screw threads, gauges, Brinell, impressions 
etc., etc. Supplied with two glass graticules to measure I/100th of an inch or 
I/10th of a millimetre, in leather case. 
A8975 Linen Provers, for counting threads in woven fabrics, \ X | in. or § X £ in., 
nickel plated. 
A8976 Ditto, I x I in. brass. 
STANLEY POCKET PENCIL MICROSCOPE 
A8978 
A8978 Pocket Pencil Microscope. Can be adjusted to magnify between 40 and 60 
diameters. Invaluable for examining paper, textiles, etc., and for all botanical, 
geological works, etc.