Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 103
86 PARIS UNIVERSAL EXPOSITION. by metallic packing in the tips of their teeth. Practically it is found to besufficient to pack two teeth diametrically opposite to each other in each Fig;. 14. … Pillner & Hills Rotary Engine. wheel. It is of course necessary that the wheels, at their plane extrem-ities, should be in close contact with the interior walls of the cylinder:and in order to effect this, one of the cylinder heads is made adjustable,and may from time to time, if the moving…
Machinery · Scientific apparatus and instruments
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