Machine design series
Penton
by John Delmonte
Penton c1949 3rd ed. Machine design series
所蔵館1館
by Roger W. Bolz
Penton 1949-1951 Machine design series
1 , 2
所蔵館10館
by A.M. Wahl
Penton Publishing 1944 Machine design series
所蔵館2館
by J. Delmonte
Pentpon 1940 Machine design series