Sentence:  As the height neceſſary for acquiring any velocity increaſes or diminiſhes in the duplicate proportion of that velocity, it is evident that all the ranges with given elevations will vary in the ſame proportion, a double velocity giving a quadruple range, a triple velocity giving a <WSD>noncuple</WSD> range, &c. 
Meaning of the word marked with <WSD> tags:  Nine times as great or as (numerous).