A push button is provided by means of which the keys may be manually released, if desired.
Where this is done, one or more trunk lines leading to an office of the city exchange are run through the intercommunicating system exactly as a local line in that system, being tapped to a jack or push button at every station.
It is not necessary to seek in the darkness for a push button or switch, as in ordinary devices, but a light pressure with the palm of the hand will make the lamp glow.
On completing [Illustration: Interior View] the circuit the core will descend; or put in a switch or push button on one of the battery wires.
One of the wires from the coil is attached to a push button, H, to be used when a reading of the instrument is made.
Illustration: Push Button on Joist] A Wrist Brace To strengthen a weak wrist, take a piece of leather, preferably white oak tanned, 2 in.
The switch A may be dispensed with and a push button used in its place, as the operator may station himself several hundred feet away.
Illustration: Detail of the Parts for the Construction of a Musical Doorbell That will Play the Music on Brass Tubes with One Touch of a Push Button] Several strips of pine, 2 in.
The low voltage release performs the functions of a shunt trip coil when used in conjunction with a push button, auxiliary switch or speed limiting device, and is generally preferred to the shunt trip attachment.
The use of the low voltage release allows the breaker to be tripped from a distance by means of a short circuiting switch or push button.
The coil is only momentarily energized, by push button, relay or other control, as distinguished from the preceding types, in which the coil is constantly energized.
The other wire goes through a key, which, like a push button or a switch, serves to open or close the circuit.
Another crank, d, upon the same axle serves like a push button to close the electric circuit at the right instant.
The circuit is closed by a metal spring on the side of the tube, which acts as a push button.
We want a bell in the kitchen to be rung by a push button at the front door.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "push button" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.