Scantlings of Inventions. 47 



and night, without any other force than its own motion, 

 ufing not lb much as any force, wheel, or fucker, nor more 

 pulleys than one, on which the cord or chain rolleth with 

 a bucket fattened at each end. This, 1 confefs, I have feen 

 and learned of the great mathematician Claudius his ftudies, 

 at Rome, he having made a prefcnt thereof unto a cardinal ; 

 and ( deli re not to own any other men's inventions, but if I 

 let down any, to nominate' likewife the inventor. 



XXII. An ebling unci flowing River, 



To make a river in a garden to ebb and flow conftantly, 

 though twenty foot over, with a child's force, in fome private 

 room or place out of light, and a competent diftance from it. 



XXIII. An e b bing a nd flowing C a file- do ck . 



To fet a clock in a caftle, the water filling the trenchc3 

 about it; it (hall mow, by ebbing and flowing, the hours, 

 minutes and feconds, and all the comprehensible motions of 

 the heavens, and countcrlibration of the earth, according to 

 Copernicus. 



XXIV. A Strengtb-increaflng Spring, 

 How to increafe the ftrength of a fpring to fuch an height, 

 as to moot bumbaffes, and bullets of an hundred pound 

 weight a fteeple height, and a quarter of a mile off and more, 

 (lone -bow- wife, admirable for fire-works and aftonifhing of 

 befieged cities, when without warning given by noife they 

 find themfelves io forcibly and daugeroufly furprifed. 



XXV. A double drawing Engine for Weights. 



How to make a weight that cannot take up an hundred 



pound, and yet fliall take up two hundred pound,, and at 



the felf-fame'di fiance from the centre; and fo proportionably 



to millions of pounds. , ~, 



\ 



XXVI. A to-and-fro Lever, 



To raife weight 

 back of the lever, 



that means to lofe no time in motion or ftrength. This I faw 

 in the arfenal at Venice. 



XXVII. A vicfl eafy Level Draught. 



A way to remove to and fro huge weights, wiih a mod in* 

 confiderable ftrength, from place to place. For example, ten 

 ton with ten pounds, and lefs ; the faid ten pounds not to fall 

 lower than it makes the ten ton to advance or retreat upon a 

 level. 



XXVItl. A 



Vi\ T X.. J.X. tV — Wb/Ul-— J I <J J~4lsUt,l , 



it as well and as forcibly with the drawing 

 ', as with the thrufting it forwards ; and by 



