INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1794. 
A page 
Air , on its resistance to light, - - 86 
— — on its electricity, in different degrees of purity, - 267 
Aldeharan , remarks on an eclipse of, _ - 438 
Anderson , Dr. on a wax-like substance collected by him, at Ma- 
dras, - - 383 
Annuities, ox\ finding their values, - - 235 
Anspach, Margrave of, Extract of a paper sent by him, con- 
taining an account of some remarkable caves in the principality 
of Bayreuth, and of the fossil bones found therein, - 402 
— Observations on the fossil bones pre- 
sented by him, - - _ 407 
Archimedes, proof of a principle assumed by him, - 33 
Argand’s lamp , on the quantity of oil consumed, and of light 
emitted, by it, _ _ _ 98 
Atwood, George, Esq. Investigations, founded on the theory 
of motion, for. determining the times of vibration of watch ba- 
lances, - - - « 219 
