io8 



APPENDICES AND TABLES 



APPENDIX B 



TABLE OF REFRACTIVE INDICES 



Substance 



Refractive Index 



ftp 



Water M D 1'334 54-7 



Saliva ME 1-339 



Sea-water ME 1-343 



Human blood ME 1-354 



Alum (sat. sol.) M D 1-457 



Ether (60 Fahr.) M 1*357 84-9 



Albumen ' . . . M D 1-350 



Absolute Alcohol M D 1-364 58-6 



Oil of Ambergris M E 1-368 



Salt (sat. sol.) ME 1'375 



Fluor Spar M D 1-4338 97'3 



Diatom Silex M D 1-434 



Spermaceti M 1*503 



Bees-wax M 1*553 



Oil of Olives (sp. gr. 0-913) M D 1-476 54-7 



Borax M D 1*515 60-6 



Naphtha ME 1-475 



Oil of Turpentine (sp. gr. -885) . . . . M D 1-474 46-5 



Oil of Linseed (sp. gr. -932) M D 1'485 



Castor Oil . M D 1-490 



Chloride of Tin /t D 1-503 



Oil of Cinnamon M D 1-619 14-3 



Oil of Cedar M D 1*510 



Gum Arabic ME 1-512 



Dammar M '520 



Oil of Cloves M D '533 



Sugar M D '535 



Felspar ft D '764 



Cedrene M D '539 



Canada Balsam M D 1-526 41-5 



Oil of Fennel M D 1-544 



Eock Crystal M D 1-545 70-0 



Eock Salt (sp. gr. 2-143) M 1'555 



Nitro-benzene . . . . . . . M D 1'558 



Styrax M D 1'582 



Meta-cinnamene M D 1*597 29-8 



Quinidine M 1*602 24-1 



Benzylaniline M D 1*611 



Methyldiphenylamine M D 1*616 



Balsam of Tolu ME 1*618 



Bisulphide of Carbon . . . . .. . M D 1*630 18-3 



Oil of Cassia M D 1*578 17 -0 



Quinoline M D 1*633 



Tourmalin (ordinary ray) M 1*668 



Kreasote /* 1*538 29-9 



Petroleum M D 1*457 15-3 



Phenyl-thiocarbimide M 1*654 18-7 



Iceland Spar (ordinary ray) M i> 1-657 49-0 



