Slide rule

Slide rule

£15.00Price

Original boxed slide rule. The "unique" five-ten slide rule. Original box and rule in good order, some discolouration to the the rule and the box has a few age related scuffs. The original care instructions are in the lid and the inner lid has been inked with L.H. Cooke. 

Length 17.5cm width 4.5cm depth .75cm