The Journal of the Indian Mathematical Society

R. N. Apte

Abstract

[Taking Prof. Turner's definition of standard co-ordinates or Co-ordinates on a standard or ideal photographic plate, let C be the projection on the sky of the centre of the photographic plate, S a star, P the pole, and p the position angle of C S. Let O be the second principal point of the objective (the centre of projection), c the centre of the plate, s the image of the star on the plate having standard co-ordinates x, y].

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R. N. Apte

Abstract

G. T. Taylor's recent investigation of the variation of wind with height (shortly stated: geostrophic wind) is taken as the standard of comparison, though in the equatorial belt the cyclostrophic terms cannot be neglected.

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