Atmosphere : a philosophical work / by George Woodhead.

  • Woodhead, George.
Date:
1852
Catalogue details

Licence: Public Domain Mark

Credit: Atmosphere : a philosophical work / by George Woodhead. Source: Wellcome Collection.

    20/164 page 8
    produces, on many of them, no visible effect. This shows that the effects pro- duced by the burning-glass, which are placed. The drawing below shows the form of an air-pump. AN AIR-PUMP, WITH A RECEIVER ON ITS PLATE, READY FOR EXHAUSTION. o a is the receiver ; I is the hrass plate, which is generally- circular ; c is the tube connecting the cylinder with the brass plate; d is the cylinder; e is the valve in the cylinder ; h is the piston ; i is the valve in the piston. When the piston is forced down, the valve in the
    No text description is available for this image
    No text description is available for this image
    No text description is available for this image