Record

Ref No	L/p/52/41; 385518
Finding Number	L p 52.41 385518
Title	The optical theory of portable daylight signalling lamps.
Level	Item
Date	1920
Description	Reprinted from the Transactions of the Optical Society, vol. 21. [S.l.] : [s.n.], [1920] LSH L p 52.41 385518 Transactions of the Optical Society. Vol. 21.
Physical Description	p. ; cm.
Access Status	Open
CreatorName	Aldis, Arthur Cyril Webb.
Language	English

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