Papers of patent agent and engineer Sir Dugald Clerk, relating to gas engines and patent investigations

Reports: 1914

Reports: 1911

Reports: 1915

Reports: 1914

Reports: July to December 1903

Reports: July to December 1899

Reports: January to June 1908

Reports: January to July 1907

Reports: 1928-1935

Peports on patent actions and other matters by Dugald Clerk and by Marks & Clerk & M. Atkinson Adam

Reports: July to December 1898

Reports: 1913

Reports: 1913

Reports: 1926-1927

Reports: pre 1896

Reports: Jamuary to June 1897

Reports: July to December 1902

Reports: 1915-1923

Reports: July to December 1901

Reports: July to December 1897

Reports: January to June 1909

Reports: 1936-1944

Reports: 1924-1925

Reports: 1910

Reports 1911

Reports: January to June 1899

Reports: January to June 1901

Reports: 1920-1922

Reports: January to June 1906

Reports: January to June 1904

Documents relating to Marks & Clerk's work on gas engines

Reports on patent actions

Lantern slides and films relating to an application by E. & L. Dreyer to revoke patent 91258, 'Improvements in or relating to devices for spreading granular or powdery material'.

Reports: January to June 1898

Reports: 1912

Reports: 1923-1925

Reports: July to December 1907

Reports: 1912

Reports: January to June 1902

Reports: January to June 1903

Reports: 1912

Reports on searches and cases for opinion of counsel by Marks & Clerk

Reports: Jamuary to December 1896

Reports: July to December 1905

Reports: July to December 1906

Reports on patent actions and other matters by M. Atkinson Adam

Reports: 1910

Reports: January to June 1905

Reports: 1911