Webb and Stillwell, assisted by others, had commenced to build the magnetograph House.
Thus a steady temperature was maintained; a most desirable feature in a magnetograph house.
Webb and his assistants were beginning to make quite a display at the magnetograph House.
Another and equally natural criterion is the apparent character of the magnetograph curve.
If the magnetograph House had been advertised, it would have been described as "two minutes from the Hut."
All hands joined in building a solid stone outside of the magnetograph House.
For one thing every man had carried boulders to the great stockade surrounding the magnetograph House.
A recording of the strength and direction of a magnetic field made by a magnetometer. Also called magnetogram. See magnetometer.