UNT Libraries Government Documents Department - 1 Matching Results

Search Results

Power Fan.
Patent for a new and improved power fan. This design consists in "the combination of the slowly-revolving spring-barrel and the toothed gearing, the pitman-rod operated from the revolving gearing by a crank, the fan-lever connected to the pitman-rod, a weight sliding upon the fan-lever, and a ratchet mechanism for automatically raising the sliding weight" (lines 78-84).
Back to Top of Screen