Reports: January to June 1909
- part of archive:
- Papers of patent agent and engineer Sir Dugald Clerk, relating to gas engines and patent investigations
- Marks & Clerk
Entitled: "Reports on patent actions, searches and other matters by Dugald Clerk, M.INST.C.E., F.C.S., M. Atkinson Adam, B.SC., A.M.INST.C.E., Dugald Clerk & Adam and Marks & Clerk"
- Open Access