The Srieutific American, 328 the same time, and throw- or oven, D, slides like … ter any solid obstruction, ing dishes or. other ar- and thus save from frac- ticles. The seed box, H, which PHOTOGRAPHY IN THE Ra- is placed across the forward FORMATORY.—A novel and end of the frame, A, is interesting application of of peculiar construction. the art is now in daily use Upon its…
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