August 2005 Alt-Photo-Process-L: Re: gum dot test

From: Giovanni Di Mase ^lt;gdimase@hotmail.com>
Date: 08/04/05-02:31:19 AM Z
Message-id: <BAY105-DAV18E053544099F42BE226D3BFC40@phx.gbl>

You may want to loose a tube by empting it and weighting.
Giovanni
  ----- Original Message -----
  From: John Brewer
  To: alt-photo-process-l@sask.usask.ca
  Sent: Wednesday, August 03, 2005 7:23 PM
  Subject: gum dot test - Crawford

Hello list

I'm about to do the dot test en masse as on page 211 in Keepers of the Light. Watercolour pigment is given in length of 3.8cm or 1 1/2" but there is no mention of tube weight. Pigments I want too test range from 5ml (0.17 US fl oz) to 37ml (1.25 US fl oz) and the exit holes of the tubes vary in diameter, so a 3.8cm length doesn't mean much. Can anyone enlighten me on either the tube weight Crawford used or give me a sample weight as a starting point.

Many thanks

John.
Received on Fri Aug 5 12:40:18 2005

Re: gum dot test - Crawford