Scope and Contents The Svalbard Archive collection contains accounting records, administration files, expedition notes, and equipment records which all relate to work undertaken in Svalbard (Spitsbergen) from 1949 until 1992. Much of this material includes far more information than has been previously published about the expeditions or the work undertaken.Most of the expedition records are organized on the twinlock system – and include administrative papers, logs of each party, bulletins, accounts,...

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This series includes photographs, publicity brochures and correspondence in relation to equipment used at the Cavendish laboratory, Cambridge.

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Authorising the replacement or repair of defective instruments at the Royal Observatory, Greenwich.

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This series includes published pamphlets about equipment purchased; equipment manuals, inventories and instructions; correspondence on condition of equipment and details of problems; reports on the boats [Salterella,Collenia]. Also including photographs and sketches/plans of the boats.

Scope and Contents The bulk of RGO 66 comprises the incoming and copy correspondence of the chief assistant, later superintendant, George Mathews Whipple during 1871-5. Much of it is with the chemist and astronomer Warren De La Rue whose photoheliograph was moved to and used at Kew in the early 1870s. The correspondence is largely concerned with solar photographs and the practicalities of their production. There are a few financial papers and some records of solar and lunar observations made both at Kew and...

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Describing an apparatus he wished to build, with drawings.

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This collection of notes includes a description of an experiment, a diagram as well as a photograph of some apparatus and a graph representing data. A scrap of data print-out included in this collection has the name 'H. Head' (Henry Head) written on the back with the date, October 1907. This suggests a connection with the experiment carried out by W. H. R. Rivers on Head's arm.