1917:
W.A.Clabour, Westbay & Co
Clabour Westbay: Kirkstall. Bolts & AGS For Aircraft Contsructors
Rec. Num. 1 of 2
Source: Aeroplane December 19th 1917
1918:
W.A.Clabour, Westbay & Co
Clabour-Westbay: Bolts & AGS For Aircraft Contsructors
Rec. Num. 2 of 2
Source: Aeroplane July 24th 1918
