CIRCULAK -COUNTING- -PAPER- BOOKS. 



7 days make 1 week wk. 



365 days " 1 common year yr. 



366 days " 1 leap year yr. 



12 calendar months make 1 year yr. 



100 years " 1 century C. 



769 



CIKCULAK, 

 880. Used in surveying, navigation, astronomy, and geography. 



TABLE. 



60 seconds (*) make 1 minute ' 



60 minutes " 1 degree . 



30 degrees " 1 sign S. 



12 signs, or 360, " 1 circle C. 



S81. 



COUNTING, 



TABLE. 



12 units, or things, make 1 dozen. 



12 dozen " 1 gross. 



12 gross " 1 great gross. 



20 units " 1 score. 



PAPEE, 



BOOKS. 



The tenn^/v;,), quarto, octavo, duodecimo, etc., show the number 

 of leaves int<> which a sheet is fol- 



A sheet folded in 2 leaves is called a folio. 

 A sheet folded in 4 leaves is called a quarto, or 4to. 

 WW 



