Formulae for calculating sound in a room with a window

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Image Details

Description	Lantern slide showing formulae for calculating sound in a room with a window
Date of Creation	c.1930s
Creator	Frederick William Lanchester
Archive Reference	LAN/2/13/1
Transcript
Transcript (continued)
Title	Formulae for calculating sound in a room with a window
Media	Lantern slide
Dimensions	N/A