Apertures
[æ'pətʃəz]
Examples
- The front end of this cylindrical shield is provided with a diaphragm or bulkhead in which are apertures which may be opened or closed at will. Various. The Wonder Book of Knowledge.
- In this the spindles, arranged vertically in the frame, are driven by bands from a central cylinder, and project through apertures in a horizontal bar. William Henry Doolittle. Inventions in the Century.
- He found that fire-damp explodes only at high temperature, and that the flame of this explosive mi xture will not pass through small apertures. Walter Libby. An Introduction to the History of Science.
- The mixture flows through the apertures in the partition, and occupies the lower part of the generator. Frederick C. Bakewell. Great Facts.
- And as these parts are used on separate occasions, the respective apertures are opened or closed by a sliding bottom and by a single movement of the hand. William Henry Doolittle. Inventions in the Century.
Typed by Clint