ough a con- cation of the truth or falsity of the principle of his device, necting rod to a large scrubbing brush. The water is sprinkled he might easily have proved that it was a perfect balance, upon the floor in advance of the brush, the flow being con- and saved himself twelve months of trouble… … The movement will terminate still sooner, if any percussion operator; and, as a consequence, the work may proceed with takes place, as the sum of active force is always diminshed The leverage of the ovitside is exactly counteracted by the greater rapidity. In the cleansing of large open floors,…
Patents · Crank · Force · Machine · Water · Scientific American · Sulphuric acid · Sewing machine · Reciprocating parts · Sulphurous acid · Antedated january · Versed sine · Centrifugal force · Steam engine · Exhaust steam
Internet Archive · Public domain (published before 1931). Free to use for anything.
