Improvements in the construction of knobs or handles of door locks, and in the mode of connecting same with the sliding bolts thereof for advancing and drawing back said bolts. (Communicated by Jean Baptiste Poisot.) Being British Patent Number: 3239 published: 02 December 1862

BROWNE, BENJAMIN

Published by London Eyre and Spottiswood published at the Great Seal Patent Office c, 1862

About this Item

First Edition. Original Printed patent disbound with printed front blue wrapper present but not the back wrapper (both often lacking in early patents) About 27cm by 18 cm some wear and tear due to the disbinding.

Seller Inventory # 13708

Bibliographic Details

• Title: Improvements in the construction of knobs or handles of door locks, and in the mode of connecting same with the sliding bolts thereof for advancing and drawing back said bolts. (Communicated by Jean Baptiste Poisot.) Being British Patent Number: 3239 published: 02 December 1862
• Publisher: London Eyre and Spottiswood published at the Great Seal Patent Office c
• Publication Date: 1862
• Binding: no binding
• Edition: 1st Edition
• Condition: good