For the special purpose of determining the solar parallax this instrument has been used in a most refined and perfect manner by Dr Halm at the Cape of Good Hope (Annals of the Cape Observatory, vol.
Halm, p. 62.
Haupt, C. Halm, M.
Halm subsequently showed that if N may differ in different cases, the equation is a considerable improvement on Rydberg's.
Halm,' to whom we owe a careful comparison of the above equation with the observed frequencies in a great number of spectra, attached perhaps too much weight to the fact that it is capable of representing both line and band spectra.
How would you define halm? Add your definition here.