APPENDIX I. 

 ENGLISH AND METRIC WEIGHTS AND MEASURES. 



THE following may be useful as an approximate transfer table. 



LENGTH. 



Metric. English. 



1 millimetre (mm.) . . . . = ^ inch. 



1 centimetre (cm.) 10 mm. . f inch. 



1 decimetre (dm.) = 100 mm. . = 4 inches. 



1 metre =1,000 mm. . . = 39^ inches. 



English. Metric. 



1 inch = 25 mm. 



1 foot =305 mm. or 30| cm. 



1 yard = 0'91 metre. 



Microscopic measurements of size are usually reckoned in micro -milli- 

 metres, represented by the Greek letter /*. 1 p. is T ^Vu of & millimetre, and 

 therefore is approximately Triinr of an inch. 



WEIGHT. 



Metric. English. 



1 gramme . . . = 15 j grains. 



1 kilogram. = 1,000 gram. . . . = 32 oz. Troy. 



. = 35| oz. Avoirdupois. 



English. Metric. 



1 oz. Troy . . . . = 31 gram. 



1 oz. Avoirdupois . . . . = 28 gram. 



1 Ib. = 450 gram. 



CAPACITY AND WEIGHT. 



Metric. English. 



1 gram. = 1 cubic centimetre (c.c.) . = 15^ grains. 

 1 litre = 1,000 gram, or 1,000 c.c. or 1 kilog. = 35 oz. Avoird. or 



32 oz. Troy. 



English. Metric. 



1 pint = 20 oz. Avoirdupois . . = 567 c.c. or 567^ gram. 



CAPACITY (VOLUME). 



Metric. English. 



1 litre = 1000 c.c. = 1 cubic decimetre = 1| pint. 

 English. Metric. 



1 pint = 36 cubic inches . . = 567^ c.c. 



1 gallon = 8 pints . . . = 4| litres. 



1 cubic foot = 6 gallons . . . . = 28^ litres. 



1 cubic inch =16^ c.c. 



(459) 



