Anybody know of a pocket-sized device, that can accurately measure the
slope of an existing ramp? Does anybody make such a device?
Water-based "Level" tools, of course, cannot be accurately read.
If technology can give us those nearly useless ultra-sonic measuring
tapes.... perhaps some manufacturer out there will recognise, that a
cheap & very small slope-measuring device.... would be of even more use.
Anybody know where to buy such a device, now?
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