Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 9, 2025
The manufacture of astronomical circles was brought to a very refined state of excellence early in the nineteenth century by Reichenbach at Munich, and after 1818 by Repsold at Hamburg. Bessel states that the "reading-off" on an instrument of the kind by the latter artist was accurate to about 1/80th of a human hair.
Word Of The Day
Others Looking