Underpull

Am therefore suggesting, that when you have a prospective customer, not to be so exacting, not to require a concrete foundation, neither the underpull and a vent spout leading to the roof .

Our underpull pumping power is designed to pump wells in any direction.

Fig. 5 —Two-well hook-up in which the Universal Pumping Unit is pumping one of the wells while the second well, equipped with an underpull jack, is being pumped through a pull-rod attached to the Universal Unit walking beam.

"He's got hold of him!" rang out, as the struggling swimmer seemed to snatch at the shoulder of the drowning man. Then an appalled murmur arose. " It's an underpull!"

A white face, blurred and indistinct, seemed to rise up from beneath the rushing bubbles till, just as it was about to jump to the surface, as things do that come up, down it was drawn again by that terrible underpull which has been fatal to so many good swimmers.

A second later the underpull seized him and he was lost beneath the stone and held there by the force of surging water.

[…] steps stretching the height of the tower carry upward the longings of men who wished to escape the underpull of time and gravity.

Stimulating forces tingled more intensely from the lower underpull of gravity.