cess, which, by reason of their depth, vigor, and richness, were equal to the best wet-plate photographs; and struction, and which, our contemporary states, has success- fully withstood quite severe tests. now both M. Haakman, the President of the Photographic Placed eccentrically in the cylinder… … HOUYOUX'’S ROTARY PUMP. lodion films, which are then for 100 Ibs., till it is all well dried. penetrated, then dry; then ————s +0 +e benefit that, by removing the bark, a large number of harm- boil slowly with 10 lbs. chromate of potash and 5 Ibs. soda A NEW BATHOMETER. ful insects, which take…
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