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[ Sir Harry Ricardo, pioneering engine designer. ] Autograph Letter Signed ('Harry R Ricardo') to the Secretary, Royal Society of Arts, regarding an invitation to give a course of lectures.

Author: 
Sir Harry Ricardo [ Sir Harry Ralph Ricardo ] (1885-1974), pioneering engine designer [ Royal Society of Arts, London ]
Publication details: 
Penotone, Lancing, Sussex. 22 July [1921].
£40.00

1p., 16mo. In good condition, lightly aged. With the Society's date stamp and a query in red pencil. He apologises for the delay in replying to an invitation 'to give a short course of lectures': 'I should very much like to do this at some later date but I am afraid that I have already committed myself so deeply for this next winter and spring that it will not be possible for me to do so.' He is 'very flattered indeed' by the inviation and regrets having to decline it.

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