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The box or ring of metal connecting the contiguous ends of two lengths of shaft.

Coupling Box

The box or ring of metal connecting the contiguous ends of two lengths of shaft.

A kind of permanent coupling which consists of two disks keyed on the connected ends of the two shafts.

Disk Coupling

A kind of permanent coupling which consists of two disks keyed on the connected ends of the two shafts.

A kind of permanent coupling in which the boss ends of the connected shafts are made of semi&mdashcylindrical, so that they overlap each other.

Half Lap Coupling

A kind of permanent coupling in which the boss ends of the connected shafts are made of semi&mdashcylindrical,…

A form of coupling belonging to the class of friction couplings.

Slip Clutch Coupling

A form of coupling belonging to the class of friction couplings.

A kind of permanent coupling in which the coupling box is made in half and square.

Square Coupling

A kind of permanent coupling in which the coupling box is made in half and square.

A kind of permanent coupling in which the coupling box consists of a plain ring of metal, supposed to resemble a tailor's thimble.

Thimble Coupling

A kind of permanent coupling in which the coupling box consists of a plain ring of metal, supposed to…

"The simplest way of measuring a force is to use a dynamometer, of which the spring-balance is a familiar example. The dynamometer may be graduated in pounds, grams, poundals, or dynes." — Avery, 1895

Dynamometer

"The simplest way of measuring a force is to use a dynamometer, of which the spring-balance is a familiar…

A dynamometer or "dyno" for short, is a machine used to measure torque and rotational speed (rpm) from which power produced by an engine, motor or other rotating prime mover can be calculated.

Dynamometer

A dynamometer or "dyno" for short, is a machine used to measure torque and rotational speed (rpm) from…

"An electrodynamometer is a galvanometer with two coils, at least one of which is movable, and through at least one of which the curent to be measured passes. It is very useful in the measurement of alternating curernts and voltages." -Avery 1895

Electrodynamometer

"An electrodynamometer is a galvanometer with two coils, at least one of which is movable, and through…