New Century
章节目录
共 22 段- If it were now desired to find the power of a man turning a
- or 6 inches for the largest pulley, instead of 12 inches giv
- “‘It is a great disadvantage in some Cranes, that they take
- The vessel containing the liquid to be evaporated, (see Plat
- The cause of this progressive deterioration may be thus expl
- On the latter occasion (the lecture at the Exchange) two oth
- 1 is to 2, as 268 is to ...536, the length of the plate acco
- I think it may be assumed that _friction_ is fully expressed
- If it were desirable to give the engraver the same facility
- I proceed now to the examination of _the plates_, and the ma
- I hope my readers will conclude here, that I allow for the d
- This Instrument was first intended to regulate the grinding
- _B_ and _C_, fig. 4, are, one the ascending pipe _A B_ of fi
- I shall conclude this Part, by an observation or two on the
- OF
- Adverting then, a second time, to the second figure, the fla
- Let the chosen (uneven) number of figures required round the
- In the small figure 5, (Plate 41) _x y_ is supposed to be th
- The first essay, as shewn in fig. 3 of Plate 45, is a _menta
- I have hesitated a moment to describe this method of helping
- 1 ADDING MACHINE; or Machine to cast up large ||
- Wade, Joseph _Bradford_