A. Sodium fluoride, 6 gr ; water, 4 oz. B. Sulphuric acid, 6 drops ; water, 1 oz. Both solutions can be used until exhausted. Place the negative in A for a couple of minutes, then place directly in B\ after another couple of minutes touch the film with finger from one corner. It will soon leave the glass.

Very good also, in the case of a broken negative, for transferring the film on to another glass. In this case, place - before stripping - in 5 per cent chrome alum solution for half an hour. Wash well and proceed to strip.