British photographic history

Information and discussion on all aspects of British photographic history

Richard Cynan Jones
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  • Bangor, Gwynedd
  • United Kingdom
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Calotype group on Flickr



A small group on Flickr has been formed dedicated to the calotype and its variant processes. It is intended both for modern day calotypists as well as for those with an interest in the calotype as an historic process.

Click here to visit and sign up:…

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Posted on March 18, 2011 at 10:30

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At 18:16 on May 8, 2011, michaelg said…
Dear Richard in the video I used Protosulphate of iron; it is far less susceptible to contamination and although it does not give such a dense image it can be strengthen afterwords by using a physical developer after it has been fixed (ie., the basic Kodak intensifier containing silver nitrate) I did not use this in the demonstration as it was not necessary to make a dense negative (otherwise it would have looked on the video like a black rectangle)
 
 
 

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