Army (Prince Frederick Charles) moved off in echelon from left to right, the I.
The echelon and interferometer serve only a limited purpose, but must be called into action when the detailed structure of lines is to be examined.
on the I3th the advance began in echelon of brigade squares from the left.
Delivered in three echelons, these final attacks were repulsed, the first echelon by Colin Halkett's British Brigade, a Dutch-Belgian battery, and a brigade of Chasse's Dutch-Belgian division; the second and third echelons by the Guards, the 52nd, and the Royal Artillery.
The military posts were drawn up in echelon along the frontier of the desert, especially along the southern slopes of the Aures, as far as Ad Majores (Besseriani), and on the Tripolitan frontier as far as Cydamus (Ghadames), forming an immense arc extending from Cyrenaica to Mauretania.