Carlton Chambers, Regent Street.

The applications did not materialise, as was only to be expected
in view of the vagueness of the proposals. Colombine did some
advertising, and Mr Roebuck expressed himself as unwilling to
proceed further in the venture. Henson experimented with models
to a certain extent, while Stringfellow looked for funds for the
construction of a full-sized monoplane. In November of 1843 he
suggested that he and Henson should construct a large model out
of their own funds. On Henson's suggestion Colombine and
Marriott were bought out as regards the original patent, and
Stringfellow and Henson entered into an agreement and set to
work.

Their work is briefly described in a little pamphlet by F. J.
Stringfellow, entitled A few Remarks on what has been done with
screw-propelled Aero-plane Machines from 1809 to 1892. The
author writes with regard to the work that his father and Henson
undertook:--

'They commenced the construction of a small model operated by a
spring, and laid down the larger model 20 ft. from tip to tip
of planes, 3 1/2 ft. wide, giving 70 ft. of sustaining surface,
about 10 more in the tail. The making of this model required
great consideration; various supports for the wings were tried,
so as to combine lightness with firmness, strength and rigidity.

'The planes were staid from three sets of fish-shaped masts, and
rigged square and firm by flat steel rigging. The engine and
boiler were put in the car to drive two screw-propellers, right