"Surface Plate" Workbench

[Toolmaker51]

Now - this is qualified nit-picking, as the difference would be very minute to Mr. Crusty:
-Umm, don't you mean the Bessel points (at .559 L)? Airy points (at .577 L) keep the ends vertical,
Bessel points gives minimum deflection along the entire length.

1 cent
Johan

Possibly. It could be advertising copy mistakes, subbing Airy for Bessel. I don't recall seeing "Bessel" anywhere but engineering texts. Mr. Airy got himself a better agent.
Like tap handles among plumbing fixtures. http://www.homemadetools.net/forum/t...472#post139154