Pic 1930: Felling Scots pine
Pic 1931: Felling Scots large Scots pine
Pic 1932: Ben Shian and Strathyre Forestry Houses
Pic 1933: Felling Scots pine - Inverfarigaig about 1965
Pic 1934: Felling Scots pine - Inverfarigaig about 1965
Pic 1935: Cardiff Type Sulky
Pic 1936: Report No 5 Oliver Sulky (First Prototype)
Pic 1939: Report 6 Fowler Marshall VF Tractor — Tracke
Pic 1940: Two Wheel Trailers (extension to lorry platform)
Pic 1941: Report No 8 -The Cole Bark Peeling Machine
Pic 1942: Report No 9 - Mechanical Loading — Hiab Hois
Pic 1943: Self Pressurising Knapsack Fire Extinguisher
Pic 1944: Report No 12 - Extraction with aluminium chutes
Pic 1945: Second Prototype Power Operated Ropeway
Pic 1946: Hathaway and Worthington/Simpson Fire Pumps
Pic 1947: Report No 15-Large Diameter Wheels on Trailers
Pic 1948: Report No 16 - Hand Lifting Tongs
Pic 1949: Report No 17 - Fire Pumps — Hathaway Mark 2
Pic 1950: The Use of Chutes for Extraction of Thinnings
Pic 1951: Report No 19 - Haytor Grass Cutter
Pic 1952: Fordson Major on half tracks and 10x28 wheels
Pic 1953: Large Diameter Wheels on 4 Wheeled Trailers
Pic 1954: Report No 22 - Light Two Throw Plough
Pic 1955: Techniques for Loading with Hiab Hoist