1 matching record(s)
file U (Stack)Goodall, H. D. E.
"The "Hatchet" Planimeter: Constructional Details and Method of Operation"
photocopy from Newnes Practical Mechanics, October 1947, p. 14
[1996-162]
1947
1 matching record(s)
file U (Stack)Goodall, H. D. E.
"The "Hatchet" Planimeter: Constructional Details and Method of Operation"
photocopy from Newnes Practical Mechanics, October 1947, p. 14
[1996-162]
1947