Lanchester ball centering

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Image Details

Title	Lanchester ball centering
Archive Reference	LAN/2/15/2
Description	Lantern slide showing a diagram of ball centering for the Lanchester speaker.
Creator	U
Copyright	Unknown
Date of Creation	c.1910
Architect	Basil Slade
Dimensions	N/A
Media	Lantern slide
Keywords	Frederick William Lanchester; Speakers; Lanchester Speakers