But, one might add, the presence of oval holes acts as 'physical 'evidence',
too . . . The RGS Map Room, between marking its cartographic paper
materials by use of an entirely inked rubber stamp, eventually abandoned an
embossed rectangular property stamp as such were prone to becoming
'unhinged' along their edges and some - in their near sheet-edge positions-
dropped away entirely.
-----Original Message-----
From: Maps, Air Photo, GIS Forum - Map Librarianship
[mailto:[log in to unmask]] On Behalf Of Angie Cope, American
Geographical Society Library, UW Milwaukee
Sent: 05 September 2013 15:02
To: [log in to unmask]
Subject: Re: invisible stamps
-------- Original Message --------
Subject: RE: invisible stamps
Date: Thu, 5 Sep 2013 07:37:24 +0000
From: Brendan Whyte <[log in to unmask]>
To: mapsL <[log in to unmask]>
Regarding embossing stamps
The Parliamentary Library of Australia (now the National Library of
Australia) used to use these. The stamp featured two concentric ovals, with
our name written in between.
We are finding now (50-100 years on) that on some maps, this had acted over
time like a hole punch, and we have a number of maps with oval holes...
Stamper beware!
Dr Brendan Whyte
Assistant Curator of Maps
National Library of Australia
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