Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 240
the blades carved out accord-ing to the sections. Only one blade is shown from the axle to the tip.This will make a right hand propeller. mounting with the glass bead and the two leatherwashers is shown in detail in the plans. The wheels are taken from a toy wagon, and apair of tin ears will serve… … ^j>asss3g3ygwx^^ X^ro30;S33»SS3W3»^^ \A^
Aeronautics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
