oid confusion. The ground portions of the chains which enter the grooves formed the fastener in locking position. Fig. 2 is an inverted by the threads of the worms. The chains are firmly glass frame is slipped in the plate-holder groove in the bottom view of the device. Fig. 3 represents a section… … be adjustable so as to regulate the strain upon Fig. 1—M. DUCOS DU HAURON'3 APPARATUS FOR the two chains. For this purpose the inventor PHOTOGRAPHY IN COLORS. has provided segmental slots in one of the disks, which disk is not rigidly secured to the PETTINGILL'S SHUTTER-FASTENER. drum-shaft, but is…
Liquid · Air · Acetylene · Apparatus · Cents · Liquid air · Munn · Static machine · Naval constructor · Scientific American · Draw span · Years ago · American supplement · Fiscal year · Total length · Internal combustion
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