Category:Wheatstone & Co.
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References
[edit]- Wheatstone & Co[1], London: Horniman Museum & Gardens, (Please provide a date or year)
Media in category "Wheatstone & Co."
The following 2 files are in this category, out of 2 total.
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Lever switch of air vent valve Wheatstone English concertina.jpg 3,881 × 3,085; 2.22 MB
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Wheatstone English Concertina.jpg 1,280 × 951; 106 KB