I've never made niello, but in "Metals Technic" (ed. by Tim McCreight)
there's a very informative article on the process by Phillip Fike.
Thank you Rene: I only made it the once, outside in the garden, away from
evrything, wind blowing away from me - but that little bit of wind
changed as soon as I added the sulphur and I got the odd lungful (Murphy’s
Law Lives!). It took me three days to get over it and I say NEVER
I spent most of my life in laboratories, and as Senior Technician and
Safety Officer, I know all about fume cupboards, etc. But I have been
gassed with chlorine, sulphur dioxide, nitrogen dioxide. hydrochloric acid
gas, hydrogen sulphide - and a whole lot of other things you wouldn’t want
to know about! You see, it was my job to get things sorted out after
students and other ignorant folk smashed the 2L glass bottles and left the
gas cylinders on then left for home etc, leaving me with the problems! And
up to 30 years ago I smoked 60 cigarettes a day. With the consequence that
what is surprising is at 78, I only have mild asthma!!
I do have Tim MCreight’s book, by the way. Cheers and thanks for writing.
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