Volume 50 • Issue 8 • 1969

Full Issue

The Palimpsest, vol.50 no.8, August 1969

1969-08-01 Volume 50 • Issue 8 • 1969 • 433-480

Article

Iowa Inventive Genius Wm. J. Petersen

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 433-434

Trades, Crafts, Manufacturing

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 435-450

Light, Heat, Power, Water

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 451-457

Transportation

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 458-462

Miscellaneous Inventions

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 463-478

Number of Iowa Inventors

Homer L Calkin

1969-08-01 Volume 50 • Issue 8 • 1969 • 479-480