rectangular: length 135 mm rectangular: width 185 mm rectangular: height 90 mm triangular: length 140 mm triangular: width 160 mm triangular: height 90 mm
Main part (?) of 4 forms of hot-wire anemometer head, designed by John Macgregor-Morris, East London College, London, England, 1912
Measurements:
rectangular: length 135 mm rectangular: width 185 mm rectangular: height 90 mm triangular: length 140 mm triangular: width 160 mm triangular: height 90 mm
