Personal narrative of the origin and progress of the caoutchouc or india-rubber manufacture in England T Technology
Peterborough demonstration project : collection of plastic film in the Blue box : final report T Technology
Petition of Stephen R. Parkhurst, for extension of his patent for ginning cotton, and burring wool T Technology
The petroleum and allied industries; petroleum, natural gas, natural waxes, asphalts and allied substances, and shale oils T Technology
Petroleum, and petroleum wells … With a complete guide book and description of the oil regions of Pennsylvania, West Virginia and Ohio T Technology