Ratchet owned and possibly made by James Blades. Wooden cog-wheel mounted between two metal plates, turned by a hand crank. Two wooden tongues engage the cog-wheel. Attachment screw on side opposite crank.
Blades, James [Person]
Royal Academy of Music Museum
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- View the original record:https://collections.ram.ac.uk/IMU/#/details/ecatalogue/23626