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| | | |
| | The Square | The | The
| | of BR, to | density | refractive
| The Proportion | which the | and | Power of
| of the Sines of| refracting | specifick| the Body
| Incidence and | force of the | gravity | in respect
The refracting | Refraction of | Body is | of the | of its
Bodies. | yellow Light. | proportionate. | Body. | density.
---------------------+----------------+----------------+----------+-----------
A Pseudo-Topazius, | | | |
being a natural, | | | |
pellucid, brittle, | 23 to 14 | 1'699 | 4'27 | 3979
hairy Stone, of a | | | |
yellow Colour. | | | |
Air. | 3201 to 3200 | 0'000625 | 0'0012 | 5208
Glass of Antimony. | 17 to 9 | 2'568 | 5'28 | 4864
A Selenitis. | 61 to 41 | 1'213 | 2'252 | 5386
Glass vulgar. | 31 to 20 | 1'4025 | 2'58 | 5436
Crystal of the Rock. | 25 to 16 | 1'445 | 2'65 | 5450
Island Crystal. | 5 to 3 | 1'778 | 2'72 | 6536
Sal Gemmae. | 17 to 11 | 1'388 | 2'143 | 6477
Alume. | 35 to 24 | 1'1267 | 1'714 | 6570
Borax. | 22 to 15 | 1'1511 | 1'714 | 6716
Niter. | 32 to 21 | 1'345 | 1'9 | 7079
Dantzick Vitriol. | 303 to 200 | 1'295 | 1'715 | 7551
Oil of Vitriol. | 10 to 7 | 1'041 | 1'7 | 6124
Rain Water. | 529 to 396 | 0'7845 | 1' | 7845
Gum Arabick. | 31 to 21 | 1'179 | 1'375 | 8574
Spirit of Wine well | | | |
rectified. | 100 to 73 | 0'8765 | 0'866 | 10121
Camphire. | 3 to 2 | 1'25 | 0'996 | 12551
Oil Olive. | 22 to 15 | 1'1511 | 0'913 | 12607
Linseed Oil. | 40 to 27 | 1'1948 | 0'932 | 12819
Spirit of Tur