I have some pamphlets that may be of interest to a collector or museum, they are all from around 1943
1) The Farm Tractor- published by National Institute of Agricultural engineering 40pages
2) Case Manual instruction in the care of the battery in case tractors
2pages
3) Hints on the care and operation of Albion binders- 16pages
4) Tractor ploughing in wartime- RA Lister 36 pages
5) Tractor ploughing- National Inst ag eng 40 pages
6) The binder knotter- rural industries bureau 40 pages
7) The motor manual a practical handbook-31st edition temple press
200pages
8) Introduction to valves 2nd edition-wireless world 120 pages
9) 3 wartime signal training pamphlets
10)Radio research special report 16: a method of determining the polar diagrams of long wire and horizontal rhombic aerials -1948 40 pages
11) GPO handbook for wireless operators 1947 150pages