NEW ELTHAM, LONDON, S.E.9 
27 
THE “ STANLEY ” 
i Minute Reading 
CANADIAN VERNIER THEODOLITE 
This 5-inch theodolite has been designed to meet the requirements 
of the Canadian market for a high grade robust instrument of simple 
construction. 
In order to facilitate reading in clockwise and anti-clockwise directions, 
circles and verniers are figured to read in both directions. 
SPECIFICATION AND DIMENSIONS IN ENGLISH AND 
METRIC 
TELESCOPE—I nverting, transits both ends. 
Internal focussing-focusses down to 6 ft. 6 in., (1-98 metres) and 
fitted with sights for preliminary alignment. 
SPIRIT LEVELS—2 bubbles on horizontal plate, sensitivity— T V inch=40 
seconds. 
Bubble on telescope, sensitivity—^ inch^30 seconds. 
COMPASS—Circular compass fitted as integral part of upper plate and 
fitted with deviating scale and vernier. 
LEVELLING SYSTEM—4-screw levelling and Canadian thread attach 
ment to stand 3-5 inch x 8 T.P.I. 
STAND—Sliding stand, Canadian type A604. 
ACCESSORIES—Plummet, Spare diaphragm, Rayshade, Screwdriver, 
Tommy pins, Sunhead, Brush. 
OPTICAL CHARACTERISTICS 
CIRCLES 
TELESCOPE 
Horizontal and Vertical 
Diameter 
Ins. cms. 
Reading 
to 
Equivalent 
focal length 
Ins. cms. 
Diameter 
of O.G. Magnifica- 
lns. cms. tion 
Diaphragm 
5 12 7 
1 minute 
10 5 26 6 
| 65 4 2 X 24 
B3 
A40 •< Stanley ” Canadian Vernier Theodolite, complete in case with accessories 
and Canadian type A604 Stand. 
Quote Stanley's ‘A’ Catalogue