Nicholas John Burnett's Page

"By the way there is no fire risk from these negatives.  They are cellulose acetate rather than the highly combustible cellulose nitrate."

"This is a common problem.  The blue colour is caused by the anti-halation dye reforming due to the increasing acidity.  The channeling is caused by the shrinking film base due to the loss of acetate groups from the cellulose acetate…"

"I was giving some conservation advice so had greater access to the various rooms and in consequence was able to see more."

"Not exactly a studio but there are some darkroom traces still in situ in Linley Sambourne House in London, or were the last time I visited.  In normal circumstances it is open to the public.  Linley Sambourne was a cartoonist for Punch and…"

"Very sorry to read that.  I left the museum in late 1986.  Presumably it was demolished as part of the Great Court Scheme."

"Hello Richard, When I worked at the British Museum in the 1980s Roger Fenton's old studio was still there.  It was being used by a designer but I understand there were one or two stands still present (I didn't get to see it but my…"

"Good evening Elisa, Yes, I am aware the sample sizes are small and represent a tiny proportion of the relevant photographer's output.  In all I looked at almost 400 daguerreotypes.  Fortunately I didn't draw any firm conclusions…"

"This is very interesting work and a stimulating discussion. I found Ken Jacobson's comment on the unusual '‘flatness’ of the arched top of the mat' intriguing and set out to look for other examples on Daguerreobase,…"