broken transit instrument
interference transit instrument
meridian transit [instrument]
photoelectric transit instrument
prismatic transit instrument
virtual instrument instrument
Instrument to ascertain instrument height
military fire-kcontrol insturment military optical instrument
optical instrument & gauge instrument designing
~(13)N monitoring instrument
21 century electronic instrument of medicine
2227 Dual Scintillation Density Instrument
3302 auto components measuring instrument
64 channels circuit collection instrument
a bowed stringed instrument with a thin wooden soundboard
a Chinese wind instrument