Robert Bate's hydrometer Pevensey On each side are images

On each side are images of the Trajan and Naval Columns

England and West ham skipper Bobby Moore (right) was enjoying a pleasant reunion with Carlos Alberto

England in 1842

Three quarter length studio portrait of Peter William Barlow seated with his right hand resting upon a table

Above is a description and to the sides are lists of Nelson's victories and rewards

Robert Bate's hydrometer Pevensey On each side are imagesA hydrometer with hinged wooden case manufactured by Robert Bate. Hydrometers are used to measure the density of liquids. The weighted end is placed into a liquid and the hydrometer sinks to a certain level. The specific gravity can then be read from the liquid level on the vertical scale. ca. 1836