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Image
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1
Non-Commercial Use
1
Category
King George III
2
Maker
maker unknown
1
On Display
Science Museum
1
Science City
1
Object type
acoustic equipment
2
sonometers
1
sonometers; acoustic equipment
1
speaking trumpets
1
speaking trumpets; acoustic equipment
1
Place
place unknown
1
Material
brass
1
hardwood
1
iron, painted green/blue
1
paint
1
pine
1
tinplate
1
Date
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Demainbray's speaking trumpet
1700-1752
Sonometer
Sonometer, before 1752.
1701-1750
