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Home > All Images > 2002 > July > 25 Jul 2002

Images Dated 25th July 2002

Choose from 24 pictures in our Images Dated 25th July 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Drawing of Robert Hookes wheel barometer of 1665 Featured 25 Jul 2002 Image

Drawing of Robert Hookes wheel barometer of 1665

Wheel barometer. Drawing of a wheel barometer in Micrographia (1665) written by the British physicist Robert Hooke (1635-1703). The barometer was used to measure air pressure. Mercury filled a glass tube (at centre) which is open at one end (marked F') and has a sealed bulb (at centre top) at the other. In the bulb a vacuum provides enough suction to prevent the mercury from flowing out of the tube. The open end of the tube contains a ball which floats on the mercury. The float is attached to the pointer by a length of string. If air pressure rises the mercury is forced up into the bulb and the level of the mercury at the open end drops. As the float drops too, the pointer moves

© SCIENCE PHOTO LIBRARY

Formula One World Championship: Sauber reveal Plenoxis, a communications company, as a new sponsor to the team: Felipe Massa Sauber; Nick Heidfeld Featured 25 Jul 2002 Image

Formula One World Championship: Sauber reveal Plenoxis, a communications company, as a new sponsor to the team: Felipe Massa Sauber; Nick Heidfeld

Sauber reveal Plenoxis, a communications company, as a new sponsor to the team (L to R): Felipe Massa (BRA) Sauber; Nick Heidfeld (GER) Sauber; Peter Sauber (SUI) Sauber Team Principal; Willi Rampf (SUI) Sauber Technical Director; the CEO of Plenoxis.
German Grand Prix, Hockenheim, Germany, 25 July 2002.
DIGITAL IMAGE

© Sutton Motorsport Images