METRIC SYSTEM OF WEIGHTS AND MEASURES. 



177 



LINEAR MEASURE. 



Illustration. 



oc 



10 = 



NOTE. By the accompany- 

 ing illustration it will be seen 

 that one-tenth of a metre, or 

 ten centimetres, equals about 

 3|f in., or a trifle short of 4 in. 

 This measure, as well as the 

 other measures and weights, 

 is written as whole numbers 

 and decimals. The decimal 

 g point is placed at the right of 

 jj the unit thus, 4.167 m. may 

 be written 416.7 cm. To make 

 a metric rule, cut a piece of 

 wood, paper, or tape, 39| in. 

 long. Divide it into ten equal 

 parts, and each part into ten 

 other equal parts ; each of these 

 parts is 1 centimetre. Divide 

 each centimetre into ten equal 

 parts, and each part is a mil- 

 limetre. 



The diameter of the nickel live cent piece of 1866 is 2 

 centimetres, and its weight is 5 grams. 



The Centimetre is the unit generally used for measure- 



8*' 



