GEARS FOR CLOCKWORK MECHANISMS (War Emergency British Standard 978:1941) (Includes Amendment No. 1. December, 1942)

By: Staff Writers

Price: $47.00

Quantity: 1 available


20pp. String-bound softcover booklet. String clean and tight. Printed card wrapper has a former owner/supplier stamp on front, else minimal edgewear and flecks. Textblock has an identical stamp as wrapper, a price over stamp (Australian?), line-drawn figures, a tipped-in corrigendum (important information, dated December, 1942). else textblock unmarked. Foredge corners machine round-cornered. An extremely rare publication - "War Emergency British Standard 978: 1941" Gears for Clockwork Mechanism(s) (has a minor misprint on title page). The term 'clockwork mechanisms' includes gears such as are used in clocks, watches, meters and instruments . . . Contents include: Prelims., Co-operating Organisations, Foreword. Specification: Part 1/ Scope of Specifications. 2/ Definitions. 3/ Notation. 4/ Form of Gears. 5/ Tolerances of Gears. 6/ Hobs and Cutters. Booklet weight approx. 45g. *Postage charge will be reduced as this item will post under 500g. packed weight.

Title: GEARS FOR CLOCKWORK MECHANISMS (War Emergency British Standard 978:1941) (Includes Amendment No. 1. December, 1942)

Author Name: Staff Writers

Categories: Vintage and Antiquarian Books,

Edition: First Edition

Publisher: London, British Standards Institution: 1941

Binding: Softcover Booklet

Book Condition: Very Good

Size: 8vo - over 7¾" - 9¾" tall

Seller ID: 013083

Keywords: Science and Technology, Engineering, Clockwork Mechanisms, Mechanical Specifications, Reference Books, Horology