OCR Text |
Show Films nnd FarmyarJi An English liivctlguloi U i.;poii sible for the statement that If It were not for the fact that cows like mustard mus-tard there would be no moving picture shows. The explanation Is that the sensitive film Is coated with n gelatin emulsion containing silver bromide, but the silver bromide would not record re-cord the Image If the gelntln were pure. Annlysls has shown that the little specks of Imparities In the gelatin gela-tin are sulphur, the source of which Is found In the cattle hides from which the gelntln Is mnde. The skins of nnlmals contain sulphur because they eat wild mustard. |