Lantern-slide making and exhibiting ([pref. 1905])

Page scan 00024 from Lantern-slide making and exhibiting

Record Details:

Title:
Lantern-slide making and exhibiting
Date:
[pref. 1905]
Publisher:
London, Marshall, Brookes & Chalkley
Volume:
Lantern-slide making and exhibiting
Leaf #:
00024
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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SOME GOOD LANTEBN-SLIDB DEVELOPERS. 11 lack contrast, but the colour is a very pure black. With some people its employment produces an irri- tation of the skin; if this occurs it should not be used. A good formula is the following: — No. 1. Metol 70 gr. Metabisulphite of soda 30 gr. Bromide of potassium ... ... 15 gr. Distilled water 10 oz. No. 2. Carbonate of soda ... ... ... 1 oz. Distilled water 10 oz. For use mix in equal parts. METOL works best for lantern-slide Metol-Quinol. , -, . -, .,-, •, i purposes when combined with hydro- quinone, and a capital all-round developer can be made by taking 1 part of the mixed hydroquinone formula and mixing it with half its bulk of the mixed metol formula. THIS is a very simple developer for lantern slides, the concentrated com- mercial solution merely requiring dilution with water before use. The colour produced with most plates is a pleasing warm black. Ortoi. ORTOL is also an excellent lantern-slide developer, giving great clearness and delicacy of image. The formula used by the writer is as fol- lows : — No. 1. Ortol , 70 gr. Metabisulphite of soda ... ... 40 gr. Distilled water ... 10 oz.