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The Medieval bench was also called a Double-bench with a back in the middle, this back was moveable. It was used in front of the fireplace.

Medieval Bench

The Medieval bench was also called a Double-bench with a back in the middle, this back was moveable.…

"Compound pulleys using one fixed and two moveable pulleys to pull a weight up by applying a downward force." -Avery 1895

Compound Pulley

"Compound pulleys using one fixed and two moveable pulleys to pull a weight up by applying a downward…

"A moveable pulley is seldom used alone. It is generally combined with a fixed pulley, as shown [here]." —Quackenbos 1859

Fixed and Moveable Pulley

"A moveable pulley is seldom used alone. It is generally combined with a fixed pulley, as shown [here]."…

"A movable pulley is one whos block is movable. One end of the cord is fastened to the beam, and the weight is sspended from the pulley, the other end of the cord being drawn by the application of a force P. A little consideration will show that if P moves through a certain distance, say 1 foot, W will move through half that distance, or 6 inches; hence, a pull of 1 pound at P will life 2 pounds at W." — Hallock, 1905

Movable Pulley

"A movable pulley is one whos block is movable. One end of the cord is fastened to the beam, and the…

"[This illustration] represents a moveable pulley. A is the wheel. One end of the rope is fastened to a support at D, while the power is applied to the other at P." —Quackenbos 1859

Moveable Pulley

"[This illustration] represents a moveable pulley. A is the wheel. One end of the rope is fastened to…

"System of moveable pulleys. Each pulley has a separate rope attached to a fixed support at one end." —Quackenbos 1859

Movable Pulleys

"System of moveable pulleys. Each pulley has a separate rope attached to a fixed support at one end."…

"When a high degree of force is required, several moveable pulleys may be combined, as represented [here]. A and B are fixed pulleys; C and D are moveable ones, from the block of which the weight W is suspended" —Quackenbos 1859

Multiple Pulleys

"When a high degree of force is required, several moveable pulleys may be combined, as represented [here].…

"For the shifting of very large tub-plants, a box or tub with moveable sides is handy and efficient." — Baily, 1898

Plant-box

"For the shifting of very large tub-plants, a box or tub with moveable sides is handy and efficient."…

"Mutual action of solenoids. When two solenoids traversed by a current are allows to act on each other...attraction and repulsion will take place just as in the case of two magnets." -Hawkins, 1917

Solenoid, attraction

"Mutual action of solenoids. When two solenoids traversed by a current are allows to act on each other...attraction…