Letter from [Alan Archibald Campbell] Swinton, to Laurence Bond [Esquire], 2 Whitehall, 180 High Street, Guildford Acknowledges receipt of a previous letter and has read the enclosures with interest. States that the device is so simple that one fears that it cannot but have been thought of before, mentioning a friend who is one of the Directors of the English Westinghouse Brake Company, and that he could bring it to the Company's notice through him. Brings up potential issues of granting authority. Seeks Bond's overall views and states he will not do anything until he hears further. 29 January 1929