Lieutenant Backsight Forethought ( BF to his friends ) has been left in command of a 50-man reinforced platoon to hold Duffer's Drift, the only ford on the Silliassvogel River available to wheeled traffic.
12.
Sighting was accomplished in the manner of iron sights on rifles, and the Drift Sight used the same terminology of " foresight " and " backsight ", although " lower " and " upper " would be more accurate physically.
13.
He found that cairns E and O were aligned in the direction of summer solstice sunrise, using cairn E for a backsight and cairn O as a foresight, and that cairns C and O were aligned in the direction of summer solstice sunset, using C as a backsight and O as a foresight.
14.
He found that cairns E and O were aligned in the direction of summer solstice sunrise, using cairn E for a backsight and cairn O as a foresight, and that cairns C and O were aligned in the direction of summer solstice sunset, using C as a backsight and O as a foresight.
15.
Watkins also supported this idea with an etymology from'doddering'along and'dodge'( akin, in his mind, to the series of actions a surveyor would carry out in moving his rod back and forth until it accurately lined up with another one as a backsight or foresight ) and the Welsh verb'dodi'meaning to lay or place.
