Origin of alidade
Examples from the Web for alidade
Your scale is ready to be pasted or transferred to the alidade and each 6.8.
The alidade is a triangular ruler with one or more working scales on it beside other measurements.
Close by stood an alidade, an instrument for measuring angles.Historical Miniatures|August Strindberg
After he had placed the plane table on a tripod and upon this the alidade, he started to work.On the Seaboard|August Strindberg