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Actions	Details Remove from selection Add to selection Title Laboratory notebook inscribed Henry A H Boot inside front cover Reference UK0108 NAEST 061/B/1 Date 1939-1941-03-28 Scope and Content The first dated entry is 21 February 1940 and describes the successful operation of the first magnetron built by Randall and Boot, but there are several undated pages of drawings and calculations leading up to this, the earliest of which may date from the end of 1939. The entry for 24 February 1940 give the measured wavelength as 9.5.cm. M V Wilkes in his correspondence with Boot points out that the figure usually quoted is 9.8. cm. Boot answers that the notebook figure is correct if not too accurate. (See A1 above) Notes and drawings monitoring the development of the magnetron, mainly in Boot's hand continue to 28 March 1941. There are also a number of loose sheets, including a photograph of a magnetron and brief correspondence with J H Burrows of the H H Wills Physical Laboratory Bristol re construction of a magnetron, May-June 1940. [Some digital images available] Physical description Number of pieces: 1 Language English. Persons keyword Burrows John H, Wilkes Maurice Vincent Subject H H Wills Physical Laboratory, Bristol Conditions governing access Open Level of description file Hierarchy browser 110000001 NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY contains 322 parts UK0108 NAEST 061 Papers of Henry Albert Howard Boot contains 4 parts UK0108 NAEST 061/B Laboratory notebooks, working notes, drawings and blueprints contains 43 parts UK0108 NAEST 061/B/1 Laboratory notebook inscribed Henry A H Boot inside front cover

Title
Laboratory notebook inscribed Henry A H Boot inside front cover
Reference
UK0108 NAEST 061/B/1
Date
1939-1941-03-28
Scope and Content
The first dated entry is 21 February 1940 and describes the successful operation of the first magnetron built by Randall and Boot, but there are several undated pages of drawings and calculations leading up to this, the earliest of which may date from the end of 1939. The entry for 24 February 1940 give the measured wavelength as 9.5.cm. M V Wilkes in his correspondence with Boot points out that the figure usually quoted is 9.8. cm. Boot answers that the notebook figure is correct if not too accurate. (See A1 above) Notes and drawings monitoring the development of the magnetron, mainly in Boot's hand continue to 28 March 1941. There are also a number of loose sheets, including a photograph of a magnetron and brief correspondence with J H Burrows of the H H Wills Physical Laboratory Bristol re construction of a magnetron, May-June 1940. [Some digital images available]
Physical description
Number of pieces: 1
Language
English.
Persons keyword
Burrows John H, Wilkes Maurice Vincent
Subject
H H Wills Physical Laboratory, Bristol
Conditions governing access
Open
Level of description
file

Details