...short, as a contribution to the newly-created science of actino-chemistry, than to the photographic art. Paper proper for producing an amphitype picture may...mixture, to the paper, alternating with solutions of the ammonio-tartrate or ammonio-citrate of iron*, the latter solutions being last applied, and in more...

...short, as a contribution to the newly created science of actino-chemistry, than to the photographic art. Paper proper for producing an amphitype picture may...mixture, to the paper, alternating with solutions of the ammonio-tartrate, or amtnonio-citrate, of iron,* the latter solutions being last applied, and in more...

...short, as a contribution to the newlycreated science of actino-chemistry, than to the photographic art. Paper proper for producing an amphitype picture may...ferro-tartrate or the ferro-citrate of the protoxide or peroxide of mercury, or of the protoxide of lead, by using creams of these salts, or by successive...

...common printer's ink. The process, although not yet fully carried out, promises to be of vast utility. Paper proper for producing an amphitype picture may...of the protoxide of lead, by using creams of these silts, or by successive applications of the nitrates of the respeclive oxides, singly or in mixture,...

...the public at the last meeting of the British Association, and is described by him as follows : — Paper proper for producing an amphitype picture, may...ferrotartrate or the ferro-citrate of the protoxide, or the protoxide of mercury, or of the protoxide of lead ; by using creams of these salts, or by successive...

...processes notoriously are, this has proved so, even beyond the ordinary measure of such caprice. * * * Paper proper for producing an amphitype picture may...mixture, to the paper, alternating with solutions of the ammonio-tartrate or ammonio-citrate of iron, the latter solution being last applied, and in more or...

...processes notoriously are, this has proved so, even beyond the ordinary measure of such caprice. * * * Paper proper for producing an amphitype picture may...mixture, to the paper, alternating with solutions of the ammonio-tartrate or ammouio-citrate of iron, the latter solution being last applied, and in more or...

...— Paper proper for producing an amphitype picture may be prepared either with the ferro-tartrate or ferro-citrate of the protoxide or the peroxide of...mixture, to the paper, alternating with solutions of the ammonia tartrate or ammonia of citrate of iron, the latter solutions being last applied, and in more...

...1844, at the York Meeting of the British Association, Sir J. Herschel communicated the following : — Paper proper for producing an amphitype picture may be prepared either with the ferro-tartrate or ferro-citrate of the protoxide or the peroxide of mercury, or of the protoxide of lead, by using creams...

...receives its name from the fact, that negative and positive pictures can be produced by one process. Paper may be prepared either with the ferro-tartrate or the ferro-citrate of the protoxide of . mercury or of lead, by using the cream of the salts, or by successive applications of the nitrates...