The Photographic News: A Weekly Record of the Progress of Photography, Volume 45Cassell, Petter, and Galpin, 1901 |
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Page 79
... hypo , and it did well . Next lot I mixed with hypo failed . Is there any particular order in mixing ingredients ? If you could give me formula again in the order of dissolving I shall deem it a great favour , as I have lost mine . Will ...
... hypo , and it did well . Next lot I mixed with hypo failed . Is there any particular order in mixing ingredients ? If you could give me formula again in the order of dissolving I shall deem it a great favour , as I have lost mine . Will ...
Page 462
... Hypo . Do you advise the use of acid hypo for bromides and P.O.P. ALUM . We always use and always recommend the use of an acid hypo ath for all negative , bromide , or gaslight papers , but it is the very worst thing to use for P.O.P. ...
... Hypo . Do you advise the use of acid hypo for bromides and P.O.P. ALUM . We always use and always recommend the use of an acid hypo ath for all negative , bromide , or gaslight papers , but it is the very worst thing to use for P.O.P. ...
Page 792
... hypo , but we can easily test it by adding the acid It turns milky , due to the sulphur precipitatingout , and sulphurous acid gas like that from the sul- phite escapes . If to the hypo solution we added a solution of alum , the same ...
... hypo , but we can easily test it by adding the acid It turns milky , due to the sulphur precipitatingout , and sulphurous acid gas like that from the sul- phite escapes . If to the hypo solution we added a solution of alum , the same ...
Contents
Economy for the Beginner | 129 |
Lighting and Expression | 366 |
ANSWERS TO CORRESPONDENTS | 461 |
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