He discovered the conduction of heat through iron varied with the heat. He also discovered the polarization of radiat heat by transmission through tourlamine and reflection through latrer. He discovered this with the use of the thermopile.
William James Morrison invent cotton candy
James King invent the washing Machine at 1851.
James A Bauer invented a coin changer mechanism.
the lie detector
The vacuum cleaner
james naismith
David Forbes Martyn died in 1970.
David Forbes Martyn was born in 1906.
David Forbes Hendry was born in 1944.
David Forbes - sailor - was born in 1934.
James A. Forbes was born in 1935.
David McHattie Forbes was born on 1863-07-21.
James Forbes - botanist - died in 1861.
James Forbes - botanist - was born in 1773.
James Forbes - divine - died in 1712.
James Forbes - divine - was born in 1629.
James Grant Forbes was born in 1879.