Sentence examples for By levers from inspiring English sources

A white cockatoo has been taken from its cage and placed in a covered glass jar, and the air has just been pumped out by levers and pistons.

At the Haymarket Theatre in London, the oil lamps had chimneys of white and green glass that were controlled by levers, so that raising or lowering the chimneys could effect light changes.

Every night for the duration of Hobart's Dark Mofo festival, 18 searchlights roam the night sky around Sullivans Cove, directed by levers on the ground which are free for the general public to operate.

New Orleans master blacksmith Darryl Reeves worked with Swoon to build a metal pergola with conch shell whistles played by levers that control pressurized air, the sound evoking the calliope steam organs on Mississippi riverboats.

The objective lenses used in cameras may contain from two to 10 elements, while a so-called zoom or variable-focal length lens may have as many as 18 or 20 elements in several groups, the different groups being movable along the axis by levers or cams in order to produce the desired change in focal length without a shift of the focal plane.

As in the previous series, "under control" puppets, manipulated by levers from below as opposed to wires from a gantry above, feature in Joe 90.

He also worked with a group of elite watch makers to build a sculpture that opens and closes like clockwork, a bellows-like sound installation controlled by levers, and a beating, water-pumping plastic heart.

For shots displaying characters such as the Angels seated in aircraft cockpits, variations of the "under control" design, comprising just a head and torso, were manipulated by levers and wires positioned underneath the set.