Full text: Catalogue of Stanley (33.1960)

34 
W. F. STANLEY & CO. LTD. 
ACCESSORIES TO 
247 
THEODOLITES 
A 249 
A230 Spare Diaphragm, web or glass, to any of the illustrations on page 16, complete 
in combined extractor and container. 
A242 Sun Glass for eyepiece (push-on). 
A243 Vernier Cover Glass. 
A244 Sun or Ray Shade for telescopes. 
A246 Vernier Reader, Standard type (for aplanatic reading lenses instead of the 
usual Vernier Reader, see page 32. 
A247 Diagonal Eyepiece for taking astronomical sights or vertical angles when the 
ordinary form cannot be used. 
A248 Cap for telescope 
A249 Prism Cap to Eyepiece, forming a simple diagonal when used over an ordinary 
eyepiece, suitable for vertical sights, but not for astronomical observations. 
A250 Short Focussing Lens for fitting over O.G. of telescope, to enable short distance 
objects to be focussed. 
A25I Striding Level for testing the adjustment of the horizontal axis or trunnions 
of the telescope 
A256 Front Reflector for illuminating the theodolite diaphragm underground, con 
sisting of a cap to fit the O.G. end of the telescope with a nickel silver reflector 
which is adjustable. The light of any hand lamp or adjacent source of illumination 
can be readily directed through the object glass to the diaphragm. Very efficient 
and simple in use. 
A257 National Physical Laboratory Certificates.—-N.P.L. Certificates for theodo 
lites will be obtained at cost, when desired. Prices vary according to size arc 
graduation. 
Quote Stanley’s ‘A’ Catalogue
	        

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