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Now by these mark turned to the left hand are made tens, after this manner.
And by those markes which are turned downwards on the right hand, are made hundreds; on the left thousands, viz. thus.
And by the composition, and mixture of these markes other mixt and compounded numbers also are most elegantly made, as you may perceive by these few.
1510. 
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1511. 
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1471. 
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1486. 
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3421. 
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According to the example of which we must proceed in other compound numbers; And so much suffice for the marks of numbers.
