390 APPENDIX C 



COMPARATIVE LIST OF METRIC AND ENGLISH SYSTEMS. 



Metre = 100 centimetres, 1000 millimetres, = 39.3704 inches. 



Millimetre = 1000 microns, -% inch, approximately. 



Inch = 25.399772 mm. (25.4 approximately). 



Litre = 1000 millilitres or 1000 cc., 1 quart (approximately). 



Cubic Centimetre = y^V^ of a litre. 



Fluid ounce (8 fluid drachms) = 29.578 cc., (30 cc., approximately). 



Gram = 15.432 grains. 



Kilogram = 2.204 avoirdupois pounds (2^ pounds, approximately). 



Ounce, avoirdupois, =(437^ grains) =28. 349 grams ) 30 grams, ap* 



Ounce, Troy or apothecaries, =(480 grains) =31. 103 grams, ) proximately. 



