| Description | History of postal printing, perforation etc in UK. In 1911 Grover & Co Ltd started making perforating machines and rapidly became the leading supplier and developer of this technology in the UK. In 2001 their archive was donated to the RPSL. The U3A project researched the archive and the social context of the firm. |
| Topics | Technology
|
| Type | U3A-led research (SLP) |
| U3A | Members of London U3As
|
| Organization/partner | Royal Philatelic Society |
| Year started | 2015 |
| Source of reference | London Region SLP Newsletter 2015 |
| Output | A display of this project is currently scheduled for November 2015 at 41 Devonshire Place. Booklet to be put on RPS website |
| Notes | Flier available for attachment |