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Annual Reports of the Aeronautical Society of Great Britain, 1879
When I had the honour of addressing you at our last annual meeting, I mentioned that I had proposed to this Society that an experimental apparatus should be constructed; that the proposition had been agreed to; and I may now say that the apparatus is very efficient.
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When I had the honour of addressing you at our last annual meeting, I mentioned that I had proposed to this Society that an experimental apparatus should be constructed; that the proposition had been agreed to; and I may now say that the apparatus is very efficient.
openaire +1 more source