TY - JOUR T1 - Note on High-Power Definition as Illustrated by a Compressed Podura-Scale JF - Proceedings of the Royal Society of London (1854-1905) VL - 21 SP - 422 EP - 423 PY - 1872/01/01/ UR - http://dx.doi.org/10.1098/rspl.1872.0085 M3 - doi:10.1098/rspl.1872.0085 AU - Beaumont, E. AU - Royston-Pigott, D. ER -