166 
W. F. STANLEY & CO. LTD. 
Quote Stanley’s ‘A’ Catalogue 
CURVE GAUGE 
A2635 Curve Gauge, Plastic, measuring 6 x 5, to find the radius of curvature of and 
curve ranging from J in. to 100 in. radius. 
FLEXIBLE CURVE RULERS 
These patent curve rulers, which consist of a strip of lead enclosed in a plastic casing i 
will be found very convenient in use. They can be readily set to the desired curve and 
are sufficiently stiff for ruling with either pen or pencil, or to be moved about for drawing 
in reverse or transferring curves. 
A2637 and A2638 
A2637 7 in. Patent Flexible Curve Ruler. 
A2638 14 in. ditto.