Shelfmark

Hil.710

Maker

Hilger & Watts Ltd.

Subjects

Fringe counter

Title

Fringe Counter for Interferometer Type

Description

Brown folder. Includes:

1 - Memorandum from Ward to Clements (17/10/1957), stapled together with letter from Clements to B&F Carter Limited (05/11/1957) (2 pages);

2 - Memorandum from Auerbach to Dreblow (05/05/1960) (1 page);

3 - Memorandum from Ward to Dreblow (18/05/1960) (1 page);

4 - Memorandum from Fishter to Whitcomb (11/08/1961) (2 pages);

5 - "Unit for indication of fringe movement and intensity with possible counting facilities on the N200/N34" (24/04/1959, 2 copies, one of which is stapled to a page with a voltmeter electric circuit - Circuit 14. Sensitive D.C. voltmeter);

6 - Loose page with voltmeter electric circuit with some drawings of other circuits 9 (Circuit 14. Sensitive D.C. voltmeter);

7 - Loose page with hand drawn electric circuit (pencil);

8 - Handwritten letter from Ward to Dreblow about the "Unit for indication of fringe movement and intensity with possible counting facilities on the N200/N34" (4 pages, 03/08/1961);

9 - Loose page with reference to "Grating checking fringe system" published in Journal of the Optical Society of America vol. 47 n.1, pg.15, Jan. 1957;

10 - 9 loose pages with circuit drawings, calculations and notes.

10 - 9 loose pages with several drawings of circuits and notes.

Earliest Date

1957

Latest Date

1961

Pages

None

Address

Hilger & Watts Ltd, 98 St Pancras Way, Camden Road, London, NW1

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Cat no

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref