[133] Demonstrations and Practical Work in Astronomical Physics at the Royal College of Science, South Kensington. Wyman and Sons, 1s.

[134] cos (c - θ) = cos -(c - θ).


INDEX

THE END

R. CLAY AND SONS, LTD., BREAD STREET HILL, E.C., AND BUNGAY, SUFFOLK.


Transcriber’s Notes

Inconsistent, archaic and unusual spelling, hyphenation and capitalisation have been retained, except as mentioned below. This includes proper and geographical names.