![](/img/cover-not-exists.png)
Specification of a patent for an improvement in the cap used as a substitute for flyers in Dansforth's spinning machine. Granted to Joseph Ripka, Manayunk, Philadelphia county, July 31, 1833
Joseph RipkaVolume:
17
Year:
1834
Language:
english
Pages:
2
DOI:
10.1016/s0016-0032(34)90974-1
File:
PDF, 116 KB
english, 1834