What is "hand throttle"

Usage examples of "hand throttle".

He slid into Brownley's car, threw it into gear, ran it to the nearest pier, pointed it for the bay, left it in low gear and opened the hand throttle.

Twenty feet from the cliff edge he gave a last steering correction, jerked the quadrant hand throttle wide open and leapt aside as the car accelerated.

Kirk squeezed his hand throttle hard, and the board leapt forwards.

When I got there, I drove over to the edge, put my foot on the brake, and fed with the hand throttle.

Keat touched a hand throttle and they accelerated smoothly, with only the faintest thrum of an engine.

And they were quarreling when Doc gave the hand throttle a steady pull and sent the ship across the tarmac.

He had been sapped and the car pointed out the pier and the hand throttle pulled down.

As he neared the bridge he reduced the speed of the car to fifteen miles an hour, and set the hand throttle to hold it there.

Tyli grinned, released the pedal, and pushed forward the hand throttle.

Renny, at the wheel, had latched the hand throttle clear out and let it stay.

Heller pulled the Peterbilt hand throttle down to idle and then drove it ahead a few feet and put the brake back on.