This was accomplished by controlling the galvanometer with a signal from the white projector which indicated the position of its projected increment.
The galvanometer mirrors are assumed to have perfect accuracy.
The limiting factor in frequency response was the recording galvanometer of 2.3 second free period.
A blasting galvanometer, capacitor discharge machine, and electrical blasting line are recommended for the safe use of this equipment.
They had taken the string galvanometer and adapted it to record signals from microphones onto photographic film.
In practical use, when the bridge is unbalanced, the galvanometer is shunted with a low resistance to avoid burning it out.
He connected receivers to a sensitive galvanometer, and developed crystals to be used as a receiver.
The galvanometer showed some kind of reaction about one third of the time.
