My external door knobs all appear to be 940 mm above the floor. Mike Payne On 22/01/2011, at 15:14 , Paul Trusten wrote:
> We sometimes use the height of a doorknob above the floor as a frame of > reference for a height of 1 m. I just put that presumption to the test here > in my apartment in Midland, Texas, USA, and I measure 950 mm from the floor > to the tangent at the top of the doorknob collar. If you have a chance, > please try measuring your doorknob height and see how it compares. > > Thanks, Paul
