The Modern way in picture making : published as an aid to the amateur photographer . Negatives may be reducedlocally by applying the abovesolution to the dense partswith a camels hair brush,rinsing off the reducer withclear water occasionally to pre-vent its running onto the partsof the negati\-e that do notrequire reducing. Fig. 3 shows a negativecorrectly timed and developed ;note the brilliancy, depth, andwell-defined detail comparedwith Nos. I and 2. Fig. 3 B is a positive printfrom negative Xo. 3. Fig. 4 shows negativeunder-de\eloped, having plentyof detail but thin and with \-er)
The Modern way in picture making : published as an aid to the amateur photographer . Negatives may be reducedlocally by applying the abovesolution to the dense partswith a camels hair brush,rinsing off the reducer withclear water occasionally to pre-vent its running onto the partsof the negati\-e that do notrequire reducing. Fig. 3 shows a negativecorrectly timed and developed ;note the brilliancy, depth, andwell-defined detail comparedwith Nos. I and 2. Fig. 3 B is a positive printfrom negative Xo. 3. Fig. 4 shows negativeunder-de\eloped, having plentyof detail but thin and with \-er)slight contrast. UNDER-DEVELOP- MENT. Caused by remo\-al fromthe de\-eloper too soon. An under-de\eloped nega-ti\-e differs from an under-exposed one, in that it is aptto be thin and full of detail,instead of harsh and lackingin detail. If the de\-elopmentis carried on as before directed,this defect is not liable tooccur. If a mistake has beenmade in de\-eIoping and thenegative does not appear strongenough (this can be judgedonly by experience), the nega-ti\-e can be impro\ed by. Fig. 4. DEVELOPMENT. Sg hdcnsification—Lay the film in one of the empty trays and pour overit sufficient Intensifier to fully cover it ; allow it to act until the film is allof one even color and then pour the Intensifier back into the bottle andwash the film in four or five changes of water for fifteen minutes Intensifier may be purchased already prepared or the amateur may putit up himself, using the following formula : INTENSIFIER. No. I, 75 Gr. Bi-chloride of Mercury (corrosive sublimate)Poison, - - - - 5 oz. Water. No. 2, 112 Gr. Iodide of Potassium, - 22 3, 150 Hypo-sulphite .Soda - 22 Dissolve separately and combine No. i with No. 2 and the resulting No. 3. LIGHT FOG. This is caused by the light coming in contaft with film other than thatwhich comes through the lens during the proper exposure. Frequently itis caused by exposure to an unsafe light during development; also by l
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