The first farm I visited this morning had three of these on the drive. As a boy, these were the most common cattle guards in use. Steel units were homemade, and precast concrete units were purchased.
I remember there being a few different styles, some more complex than others. Probably a coffee table book in there, somewhere.
No longer needed, filled in with stone.
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1) And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1) Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT? PB answer: It depends.
