Pulleys

Examples

• Instead of the rope and pulleys Newcomen fastened a walking-beam to the end of the piston, and attached a pump-rod to the other end of the walking-beam. Rupert S. Holland. Historic Inventions.
• A combination of pulleys called block and tackle is used where very heavy loads are to be moved. Bertha M. Clark. General Science.
• This seems most marvelous until we learn that the lines are pulled back and forth by pulleys at the window and at a distant support. Bertha M. Clark. General Science.
• This was an endless steel belt serrated on one edge, mounted on pulleys, and driven continuously by the power of steam through the hardest and the heaviest work. William Henry Doolittle. Inventions in the Century.
• Sometimes we received wine and victuals from below, which were drawn up by pulleys. Jonathan Swift. Gulliver's Travels into Several Remote Nations of the World.
• An effective arrangement of pulleys known as block and tackle. Bertha M. Clark. General Science.
• In Figure 111 the upper block of pulleys is fixed, the lower block is movable, and one continuous rope passes around the various pulleys. Bertha M. Clark. General Science.
• He fastened the upper end of the piston to a rope, which passed over two pulleys. Rupert S. Holland. Historic Inventions.
• At R and R′ are two pulleys connected by gut. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
• By means of pulleys, awnings are raised and lowered, and the use of pulleys by furniture movers, etc. Bertha M. Clark. General Science.
• So they attached levers, pulleys, ratchets and windlasses, until at last they reached the size of the great siege cross-bows, weighing eighteen pounds. Various. The Wonder Book of Knowledge.
• After some consideration of the gearing question, it was decided to employ belts instead of the friction-pulleys. Frank Lewis Dyer. Edison, His Life and Inventions.
• In our childhood many of us saw with wonder the appearance and disappearance of flags flying at the tops of high masts, but observation soon taught us that the flags were raised by pulleys. Bertha M. Clark. General Science.

Typist: Meg