Record

StorageSite	UCL Special Collections
Level	Item
Reference Number	GALTON/2/1/2/7
Title	Lighthouse Signals
Date	c1886
Description	Draft note by Galton on the adoption of pauses in lighthouse signals based on the "physiological chronometer", i.e by gaps of 4 seconds, up to a maximum of 12 seconds.
Extent	1 folio
AccessStatus	Open
AccessConditions	The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking.

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