Reference numberMS/929/1/203
TitleLetter from A. F. Spooner, Chartered Patent Agent, 323 High Holborn, London, to James Mackenzie Davidson
Date11 December 1909
Description'We enclose herewith notification of renewal on your Interrupter Patent due early in February next. We have also looked up the account we sent you on April 28th last and we find that this showed a balance in favour of £1.18.2. In order to clear matters between us if you will send us a cheque for £10.0.0. and a formal acknowledgement of the £1.18.2 in question, it will enable us to meet the renewal now due.'
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    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

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