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One of four original Swan and Raven models used by Froude

Froude

1867

One of four original Swan and Raven models used by

Froude

1867

Original Froude screw dynamometer

Froude

Circular slide rule

Froude

1877

Circular slide rule by Troughton and Simms, designed by William Froude c.1877, with inscription plate and three logarithmic scales, used at the Admiralty Experimental Establishment, by Troughton and Simms, London, 1887

Circular slide rule

Froude

1877

Plaque of William Froude

Froude

1930-1947

One of four original Swan and Raven models used by William Froude on River Dart in 1867 measuring 12 foot in length.

One of four original Swan and Raven models used by

Froude

1867

One of four original Swan and Raven models used by William froude on River Dart in 1867 measuring 12 foot in length.

One of four original Swan and Raven models used by

Froude

1867

Working model of William Froude's hull-model shaping machine

Froude

1872-1956

William Froude's automatic roll recorder used to automatically record the rolling of ships at sea, first used on trials of the HMS 'Devastation' in 1873, devised and constructed by William Froude, Torquay, Torbay, Devon, England, 1872 This instrument was modified by Mr Froude in 1882 for trials of HMS Inflexible and a nyumber of other ships. It was last used in 1925 for trials on HMS Vixen [Eduard von Fischer 30/10/12]

Ship's automatic roll recorder

Froude

1872

Parts of William Froude's original Resistance Dynamometer (1871) used in his researches on surface tension and ship resistance consisting of 1) Lever and index arm 2) counterweights 3) pivot 4) wood framing, by William Froude c.1871

Dynomometer, 1870

Froude

1870

Plaque for circular slide rule by Troughton and Simms, designed by William Froude c.1877, with inscription plate and three logarithmic scales, used at the Admiralty Experimental Establishment, by Troughton and Simms, London, 1887

Plaque for circular slide rule

Froude

1877