Design for a carriage to be propelled by the driver, apparently offered to a scientific society for approval., 18th century., Adv.MS.20.6.2(iv), folios 89-91. Miscellaneous tracts and verses., Adv.MS.20.6.2. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/13140 Accessed September 24, 2024.