Alidades is a 8 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 10 points.
You can make 244 anagrams from letters in alidades (aaddeils).
1400-50; variant of alhidade Medieval Latin alhidada Arabic al-ʿiḍādah the turning radius (like a clock hand) of a circle; replacing late Middle English allydatha (Old Spanish alhidada)
Your scale is ready to be pasted or transferred to the alidade and each 6.8.
Close by stood an alidade, an instrument for measuring angles.
The alidade is a triangular ruler with one or more working scales on it beside other measurements.
After he had placed the plane table on a tripod and upon this the alidade, he started to work.