It was ranged by varying the charge, and layed for line by means of a line and plumb bob Laying aligned on a picket.
Without moving the steering, which should be straight ahead, try the plumb bob on the front tire.
There is a decorated support for suspending a plumb bob.
Also, if you happen to pick up the hidden "Plumb-Bob" item on your lot just put it right back where you found it.
