CENTROLINEAD 
(Improved Pattern) 
A2626 
The chief advantage of this Centrolinead is the simplicity of setting. It is only necessary 
to fix two ordinary draper’s pins in the board to make a perspective drawing having a 
vanishing point which may be a considerable distance off the board. 
A2626 New Pattern Centrolinead complete with Instruction Booklet. 
ELLIPTIC TRAMMEL 
(Curve-Striking Instrument) 
A2627 
A2627 Elliptic Trammel, with ink and pencil points, for ellipses of not less than 
four inches minor axis, in case, 2|-I2 inch. 
A2628 Ditto, 5-20 in. 
A2629 Ditto, 8j 32 in. 
Quote Stanley’s ‘A’ Catalogue