block and tackle (Q2397030)
device consisting of two pulleys (or in a borderline case only one movable pulley); device multiplying force; machine used to lift heavy loads
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aliases mechanical advantage pulley system
 rope and pulley system
 tackle
description device consisting of two pulleys (or in a borderline case only one movable pulley); device multiplying force; machine used to lift heavy loads

External Links
(P227) 4154573-4
(P646) /m/01nbs8
(P1014) 300022361
(P1296) 0133304
(P1417) technology/block-and-tackle
(P2924) 3154098
(P3827) block-and-tackle
(P6366) 102498820
(P6385) nauka_i_tehnika/tehnologiya_i_promyshlennost/BLOKI_I_POLISPASTI.html
(P7305) 3995785
(P7749) 9163
(P8519) 67731
(P9495) term/3FD74879-D7E3-4CB5-8366-5C9DB3306FAA
(P11514) polispast-a79e03
(P12385) polispast
(P12596) 8209