I hope someone from this great community can help me out in finding Bob Gardners books on german propeller makers or is willing to sell their copy(s). I have not had any luck yet for months finding anything. what I am looking for exactly:
German Propeller makers of WW1: Part one
German Propeller makers of WW1: Part two
German Propeller makers of WW1: Part three
Thanks so much for helping out!
