JavaScript seems to be disabled in your browser.
You must have JavaScript enabled in your browser to utilize the functionality of this website.Click here for instructions on enabling javascript in your browser.
Click here to compile your own catalogue by any combination of subject terms.
£12.00
30p stapled pamphlet, faint blue cover, frontispiece of Slide Rule, very good, = Booklet No 80
22p stapled pamphlet, folding plate for the P I C (Thornton) Slide Rule, very good, = Booklet No 81.