The hydrostaticks; : or, The weight, force, and pressure of fluid bodies made evident by physical, and sensible experiments, together with some miscellany observations, the last whereof is a short history of coal, and of all the common and proper accidents thereof, a subject never treated of before. (1672)
Sinclair, George, d. 1696 · Edinburgh : Printed by George Swintoun, James Glen, and Thomas Brown · leaf 297
ted without being confidered. Oneis, of a\ Coaly which having that contrary Dipp and Rife,( whereof I have been fpeaking) in one oft he cn?/^/, hathnot come out to the Grafs, znd terminal 5 but after it hathrifen a considerable way in its contrary courfe, in ftead ofCropping out, hath taken a Dipp… … Where A B is the furface of the Earth. The point Bis the Cropp of a Coal dipping from N W,to the S E. From C it ti^tfcciianp £>bfcrtoatfon& 271 C it takes its rife , and courfe to a contrary Qropp, towardsthe point F, where thedeadCrofp ought tobefound. Butin ftead of going that length, it…
Hydrostatics · Coal
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