Margetts's Longitude tables for correcting the effects of parallax and refraction, on the observed distance taken between the moon and the sun or a fixed star ... and the corresponding time at Greenwich, found by inspection.

Mode of access: Internet.

Simplified method for estimating refraction and shoaling effects on ocean waves /

"November 1975."

Théorie du système optique composé d'une lunette astronomique et d'un double miroir plan : application à la mesure précise des distances en vue de l'étude de l'aberration et de la refraction /

Mode of access: Internet.

A chapter on Fresnel's theory of double refraction,

Author's presentation copy.

Peripheral circulation for low-cost central heating in old houses /

Cover title.

The refraction of the eye. A manual for students.

Mode of access: Internet.