Letters of and to Lieutenant-Colonel John Macdonald mostly concerning his work 'A New System of Telegraphy', but also others of his publications, and with some personal papers.
Letters of and to Lieutenant-Colonel John Macdonald mostly concerning his work 'A New System of Telegraphy', but also others of his publications, and with some personal papers., MSS.50698-50699. National Library of Scotland Archives and Manuscripts Division.
Cite Item Description
Letters of and to Lieutenant-Colonel John Macdonald mostly concerning his work 'A New System of Telegraphy', but also others of his publications, and with some personal papers., MSS.50698-50699. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/resources/22353 Accessed May 18, 2024.
