* Defender 6, Foma FV3, Forte FD20,
Foton N12, are the same formula
as D76/ID-11, Agfa
19 has bromide added to the stock
solution. May & Baker 320
is similar but unpublished.
** D76 Kodak Australia,
packaging indicates 4.5% Hydroquinone, 3.6%
Borax and 1.8% Boric Acid
*** Ilford Patent -
Reference developer - this is
likely to be the commercial version of ID-11
D76a was published in the BJP 26th
Oct 1934
D76 (Windisch) Hans Windisch
gives this version of D76 in his books - The
New Photo School (English 1938) and
Die Neu Foto Schule (German
1938/1944
DK76 Kodak also advocated
replacing the Borax in D76 and it's
replenisher with an equal quanity of Sodium
Metaborate (Kodalk). Ansco/GAF
did similar with Ansco 17M
Eastman Kodak Research -Fine Grain
Developer published 1927, A.P.,
and 1928 BJP Almanac as Avoirdupois weights
etc, it's not stated whether the Fl Oz are US
or UK, see H76 (D76H).
DK76, D76F, DK76F etc - Kodak
published alternative formulae for D76 in the
late 1930's with recommended development times
for increased Borak and also using Sodium
Metaborate (Kodalk) instead, times were given
for, 2, 5, 10 & 20 g/litre.
D25 R is the replenisher for
D23 and D25
# D76h should not be confused with
the none official hypothetical "D76H",
which is better called H76,
proposed to Bill Troop by Grant Haist, is a
slight variant of the 1927 Eastman
Kodak Research Fine Grain developer.
*** Ansco 17 is also known as
Agfa 17 in Ansco/GAF
Formulary. The German Agfa/Orwo
equivalent is Agfa/Orwo 44
ILFORD "FINE GRAIN PQ"
VARIATIONS:
## FG PQ 1 is the original Kendall
ID-11 PQ variation published in 1954
FG PQ 2 Axford & Kendall
"PQ Fine Grain" (commercial developer), Replenishers:
Ra - for Topping up, Rb
for Bleed System.
FG PQ 3 Two part Powder
variation of FG PQ 2, Part A contains the
Phenidone, Hydroquinone, Boric Acid, Bromide
and Metabisulphite, Part B the Sulphite &
Borax & 3.5g Sodium tripolyphosphate.
FG PQ 1 & 2 may be the
liquid & powder formulae for Ilford
Autophen, this was a professional
PQ photo-finishing developer available
commercially in bulk quantities.
|