author 
Anon.
title
Patents for inventions, abridgements of specifications. Class 30, Cutlery
publ.
Her Majesty's Stationery Office
 
London (UK) various years
ISBN
-
lang.
English
pages
var.
illus.
var. bw
size
27-18.5 cm / 10¾-7¼ inch
cover
hardcover, library binding
descr. An overview of patents for razors and other cutlery in several volumes from 1855 until 19??. For example years 1901-1930 are 6 volumes which contain in total 400 pages and approx. 2,000 short descriptions of cutlery patents, many of them for razors.