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van der Pol, Balthasar, 1889-1959 (Dutch physicist)

 Person

Dates

  • Existence: 27 January 1889 - 6 October 1959

Found in 29 Collections and/or Records:

Correspondence from Edward Appleton to B. van der Pol, c. September 1921-20 December 1921

 File
Identifier: Coll-37/E.120
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, from c. September-20 December 1921 and numbered 34-44.

Dates: c. September 1921-20 December 1921

Correspondence from Edward Appleton to B. van der Pol, 1 January 1922-28 February 1922

 File
Identifier: Coll-37/E.121
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 1 January-28 February 1922 and numbered 44-54. The numbering is unfortunately not very logical for this file: there are two documents for each number 44, 45 and 46, no .47 is out of date order, there is no number 52, and several unnumbered items are included

Dates: 1 January 1922-28 February 1922

Correspondence from Edward Appleton to B. van der Pol, 20 March 1922-25 June 1922

 File
Identifier: Coll-37/E.122
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 20 March-25 June 1922. These letters are unnumbered, except for the last three, June 10, 16, 25, which are numbered 42, 43 and 44 respectively.

Dates: 20 March 1922-25 June 1922

Correspondence from Edward Appleton to B. van der Pol, 31 July 1922-28 October 1922

 File
Identifier: Coll-37/E.123
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 31 July-28 October 1922 and numbered 45-58. Several of the letters are not numbered in chronlogical order and some are unnumbered.

Dates: 31 July 1922-28 October 1922

Correspondence from Edward Appleton to B. van der Pol, 2 November 1922-3 December 1922

 File
Identifier: Coll-37/E.124
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 2 November-3 December 1922 and numbered 59-63.

Dates: 2 November 1922-3 December 1922

Correspondence from Edward Appleton to B. van der Pol, 6 December 1922-12 April 1923

 File
Identifier: Coll-37/E.125
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 6 December 1922-12 April 1923 and numbered 63a-73. The letters are not all numbered in chronological order – no. 64 is postmarked 15 December 1922 and no. 68 is postmarked 6 December 1922.

Dates: 6 December 1922-12 April 1923

Correspondence from Edward Appleton to B. van der Pol, 3 May 1923-20 September 1923

 File
Identifier: Coll-37/E.126
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 3 May-20 September 1923 and numbered 75-90. N.B. Four letters numbered 79-82 dated 1924 and referring to Appleton's consultancy with Philips and to his appointment at King's College, London, have been transferred to file Coll-37/E.129.

Dates: 3 May 1923-20 September 1923

Correspondence from Edward Appleton to B. van der Pol, 19 October 1923-20 December 1923

 File
Identifier: Coll-37/E.127
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 19 October-20 December 1923 and numbered 91-100. N.B. A letter numbered 92, addressed from King's College, London, 12 October [1924] has been transferred to file Coll-37/E.129.

Dates: 19 October 1923-20 December 1923

Correspondence from Edward Appleton to B. van der Pol, 20 January 1924-25 April 1924

 File
Identifier: Coll-37/E.128
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 20 January-25 April 1924 and numbered 101-107.

Dates: 20 January 1924-25 April 1924

Correspondence from Edward Appleton to B. van der Pol, 1925

 File
Identifier: Coll-37/E.130
Scope and Contents

The material consists of correspondence from Edward Appleton to B. van der Pol, dated 1925. The letter dated 27 December mentions W. Altar.

Dates: 1925

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