ors of the patent. of Fitch’s ‘‘ Pendulum The wet collodion slide hitherto in use, generally cured in the axle, B, so that it swings very near the bot- Churn,” is so interesting that we present it in full to our stains the plate more or less, and the bath solution that tom of the churn without… … instance, a stereoscopic camera, for plates 6} X34, with ‘Butter being in the most perfect condition possible sliding front, six double dry plate slides, one wet collo- C, is used merely to close the slit in the cover of the while it is in its globular state, and covered with its nat- churn, to…
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