ordinary, photographic negative, a in engagement with the raised coupling pin until two chamber on the top of the arm and forming an oil drawheads come together, when the pin drops to en- very sharp print in blue may be obtained by exposure chamber. The upper end of this bearing is formed gage the… … which he had set before him. He never scattered his DUFFY'S SUPPORT FOR SPINNING SPINDLES, energy, he never wasted an hour, and by steadily keep- mit the passage of oil from the chamber down be- coupling pin are arms passing through vertical slots.in ing at it, in spite of continual ill health and…
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