Bestemmelse af afledningen i en lang sporisolation ved hjaelp af emperemeter og voltmeter. [Xerox ts. re technical aspects of railway signalling / James Steffensen, 1951 May. 3p., in Danish. Part of the Lascelles collection (chiefly books and periodicals now in the Science Museum Library - see weekly accessions lists 2328 & 2329 of Aug 1975) re railway signalling. See also inv. nos. 2001-297 and 2001-295]
Details
- Category:
- Archive
- Object Number:
- 2001-296
- Measurements:
-
: 300 x 250 mm
- type:
- typescript
- credit:
- Unknown source
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