Harvard Forest
Search the Archives
Hodgins (Mr.)
Radiometer - 1929 spherical Type A with lower annulus B
. 1929
Radiometer - 1929 spherical Type B
. 1929
Radiometer - 1929 spherical Type C with black annulus A
. 1929
Radiometer - Detail of massive base
. 1928
Radiometer - Massive base
.
Radiometers - Polarization curves
. 1929