Text Online
From:
F.W.M.
To:
Michael Faraday
Date:
c11 June 1853
Source of text:
IEE MS SC 2
Summary:
No summary available.
Contributor:
Faraday Project
No summary available.
Asks JH to let an examination be made of the standard pound kept at the Royal Mint [see WM's 1853-6-8].
Describes a method developed by [J. J.] Heilmann of 'taking from glass negatives positive impressions of different dimensions.' Praises JH's suggestion that public records be preserved on microscopic negatives.