On a flying vessel designed by Henry Smeathman, by G. Cumberland.

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                                Mr G. Cumberlands Compliments to Sr. Josh Banks 
and returns the papers relative to Mr Smeathmans 
Plan, <s>and <\s> has taken the liberty to add to this sheet 
a slight sketch of a vessel on something like 
Mr Smeathmans principle, but without the wings,
(which seem to be unmanageable) only retaining the 
folding membrane to lay close to the sides as she rises.
GC presumes if such a vessel could be constructed 
of Materials light enough, its form would be the least 
objectionable on account of the danger of being overset 
and if the air was rarified by means of Lamps according
to Mr Millys plan, and the inclination produced by means 
of the sliding weight, as mentiond by Sir Joseph, on Sunday 
it should seem probable that such an attempt might be 
made without much hazard.
March.4.1784.
Church Court Clements Lane Lombard St 
                            
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Manuscript details

Author
George Cumberland
Reference
AP/5/12
Series
AP
Date
1784
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On a flying vessel designed by Henry Smeathman, by G. Cumberland. , 1784. From The Royal Society, AP/5/12

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