Sixtieth. VOLUME 
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OF T H. E 
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Philofophical 'TranfaSlions . 
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For the Y l E f, x J R n 1 7 7 o . 
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A BE R RAT ION of light retards the time of the 
tranfits of Venus p. 358. 536^ 
Adrian afcended mount Etna, to enjoy the beautiful prof* 
pedt from the top, p. 14. 
Air at Hudfon’s bay very feldom clear for 24 hours, 
p. 129. Singular effedts of this haze, p. 130. Its 
great refradtiye power, p>. 131. 
Air changes the color of the blood, p. 372. 
Air inflammable fet loofe and caught in making charcoal, 
- p. 222. K ’ ■ ' * 
Air feparated from falts, by folution, different from what 
is called fixed air, p. 335. Whether it be the caufe of 
Vol'. LX. B b b the 
