Patent Model Collection
Collection
Identifier: WRCA-110
Patent Model K. Improved Opening and Closing Bucket for Paddle Wheels 1850
Digital Record
Identifier: ark:/86086/n22n54cm
Patent Model L. Propeller undated
Digital Record
Identifier: ark:/86086/n23j3g27
Patent Model M. Improvement in Ships or Vessels for Carrying Liquid Cargo 1869
Digital Record
Identifier: ark:/86086/n2b27xch