Small silver disc engraved with an early design of Sir George Cayley

Made:
1799

Small silver disc (1" diam.) engraved with an early design of Sir George Cayley for a glider or heavier than air flying device (dated 1799)

Details

Category:
Aeronautics
Object Number:
1935-283
Materials:
silver (metal)
Measurements:
overall: 25.4 mm,
type:
disks
credit:
R. Smith and Son