Assertion: mirror galvanometer | /r/HasProperty | available
Facets:
Source sentences:
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.
text: Mirror galvanometers were used extensively in scientific instruments before reliable, stable electronic amplifiers were available.