Re: Developer formula for "Lumiere's pyrogallol-ammonia developer"...

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From: Garry Lewis (glewis@ftw.nrcs.usda.gov)
Date: 10/11/02-12:52:01 PM Z


> Curious: What are the qualities of this developer? Film or paper?

>Film (Lippmann emulsions).
>Martin

FROM-
Encyclopedia of Photography; 1974;pg 340-341

Lippmann's process-

the developer recommended is---

A. 10 % alcoholic solution of Pyro.
B. Ammon. carbonate 772 grs........... 50 grms.
    distilled water to 10oz. 268mins...... 300 ccs.
C. 10 % solution of potassium bromide.
    
For a 7x5 plate (13x18cm) plate, mix freshly of ----
A. 128 mins................7.5 ccs
B. 338 " ............... 20 "
C. 15 drops............. 15 drops
Distilled water
1oz. 27 mins........30ccs.

                            yours putting in my 4 oz. of 10%,

                                            Garry D. Lewis
GRAIN- is a three dimensional problem.


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