The Slide Rule A Practical Manual by Charles N. Pickworth.

The Slide Rule A Practical Manual by Charles N. Pickworth.

Title – The Slide Rule A Practical Manual.

Author – Charles N. Pickworth.

Date – 1955, 24^th edition.

Publisher – Pitman & Sons Ltd, London.

Pages – 127.

Description – hard cover with brown boards, black titles to spine and front.

Size – 7 ½ inches (19cms) x 5 inches (12.7cms).

Condition – pages clean, binding tight, minimal shelf wear, cup ring marks to reverse.