the EPS Meeting on Wednesday 5 January 1881,
Howie jun., Vice President took the chair for an open discussion on
is the Best Mode of Toning Transparencies?
Edinburgh professional photographers who contributed to the evening's
discussions were Frank Pelham Moffat,
Thomas Muir, and
discussion was opened by Mr Mathieson, who had clearly been experimenting
with toning. British Journal of Photography reported:
Mathieson opened the discussion by stating that he had tried toning
his transparencies both with gold and platinum, but he had not succeeded
in getting tones to his entire satisfaction.
remarked that he found transparencies that had been toned with
permanganate were not reliable, as they soon lost their colour; the plates
with which he preferred making transparencies were chloro-bromide. ...
Mathieson next showed a series of transparencies in the lantern. The
subjects consisted of various kinds:
- Landscapes, in some of which were introduced remarkably fine portraits of
cattle, sheep &c.
- Seascapes , in which instantaneous views of vessels were seen; also some
very characteristic pictures of fishermen and fisherwomen at their daily