isible except the eye or loop to receive the guard. with its half plate of quartz is fixed. In Fig. 2 this dia- phragm is represented enlarged, as it is seen on looking into An improved Buckle for harness, which may be dis- Joplin, Mo., consists of a folding ladder, made of links and the… … Ill., consists of an interior swinging shutter a vibration occur in the plane represented by Fig. 8. Fig. 4. of novel construction, arranged to shut off OB. This vibration, represented in length the light passing through the camera tube, by O B, may be decomposed into two others the object being to…
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