Gilpin, Henry

Fried, A., S. Sewell, B. Henry, B. P. Wert, T. Gilpin, and J. R. Drummond, Tunable Diode Laser Absorption Spectrometer for Ground-Based Measurements of Formaldehyde, J. Geophys. Res., 102, 6253-6266 (1997). 

SA Henry Gilpin has a formula using LPD as the base, to which he adds carbonate and bromide. Do you add anything to your developer ... 

Just for fun there are a few new pyro formulas for those who like to dabble with pyro. More importantly is a chapter on making enlarged negatives for the growing number of darkroom workers who wish to express themselves through alternative processes. A new chapter on printing techniques has been further embellished by contributions from Bruce Barnbaum, Rod Dresser, Henry Gilpin, Les McLean, Said Nuseibeh, and John Sexton. 

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