1. Farm inventions in the making of America
پدیدآورنده : Johnson, Paul Cornelius
کتابخانه: Library and Documentation Center of Iranian Research Organization for Science and Technology (Tehran)
موضوع : $AAgricultural machinery - United States - History,$AInventions - United States - History
رده :
S
751
.
J63
2. Farm power in the making of America
پدیدآورنده : Johnson, Paul Cornelius
کتابخانه: Library and Documentation Center of Iranian Research Organization for Science and Technology (Tehran)
موضوع : $ASteam - engines - U.S,$AWindmills - U.S,$ATractors - U.S,$AAutomobiles - U.S,$AFarm mechanization - U.S. History
رده :
TJ
712
.
J63
