0 A push-button object is an electronic object that you control by pushing buttons:
a push-button phone
The second one is a user operated push-button panic switch that disengages motor amplifier power upon the user panic action.
Since then the prospect which he then envisaged, the prospect of truly push-button forces based on solid fuel rockets, has become a reality.
It is true that in time, when this push-button age comes upon us, fighter defence as we know it now may well become obsolete.
Is it intended gradually to install at the busiest of these crossings the push-button traffic lights which give much more certain protection?
But there is no reason why a really effective push-button telephone should not be offered to subscribers.
In the future the miner should be a white-collared technician who works a push-button control device and earns more money for less human effort.
Making push-button telephones generally available throughout a telephone system raises a number of technical and economic problems.
Under present circumstances, and because of changing technologies and costs, we are re-examining our plans for providing push-button telephones.
