the upper with the air cylinder, or any other suitable part, to indicate Oooo Improved Builders? Scaffold. end. When one end ofsuch a wick is ignited, it will be bent to the compression of the air and show the variations thereof This is a very simple and cheap modification of the sup- that side on… … carpenters, masons, and house painters. yet this is no caricature or exaggeration, for a SCAFFOLD, This improvement was patented through similar thing is now taking place in Greece. the Scientific American Patent Agency, August The silver mines of Laurium were abandoned the governor for varying the…
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