On Tue, Mar 01, 2022 at 08:21:19PM +0100, Tim Ziemer wrote: > The weakness of the system is not the precision of the bubble location, > which is almost perfect, but the human’s uncertainty due to bubble > curvature, refraction, etc.
Only if you don't know how to read it. Such bubble levels are used to set up optical instruments (transits, theodolites, total stations,...) which require very high levelling accuracy. Typically less than one minute of arc. Ask any surveyor if you don't believe me. Ciao, -- FA _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
