One of seven hollow sections, consisting of a medium length aerofoil wing shape.
1880-1914
One of seven hollow sections, consisting of a short length aerofoil wing shape.
1880-1914
One of seven hollow sections, consisting of a short length of hollow wooden tube with cap with two holes.
1880-1914
One of seven hollow sections, consisting of a long length of hollow wooden tube.
1880-1914
One of seven hollow sections, consisting of a long aerofoil wing shape.
1880-1914
One of seven hollow sections consisting of long box section with square sides
1880-1914
One of seven hollow sections consisting of long box section with one curved side
1880-1914
7 Hollow Spar sections, parts of aeroplane wings and struts
1880-1914