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The Pneumatics of Hero of Alexandria · of Alexandria Hero — chapter 4 of 18 · ~445 words · public domain

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29. An Automaton which may be made to drink at any time, on a Liquid being presented to it 47

30. An Automaton which will drink any quantity that may be presented to it 48

31. A Wheel in a Temple, which, on being turned liberates purifying Water 49

32. A Vessel containing different Wines, any one of which may be liberated by placing a certain Weight in a Cup 50

33. A self-trimming Lamp 52

34. A Vessel from which Liquid may be made to flow, on any portion of Water being poured into it 53

35. A Vessel which will hold a certain quantity of Liquid when the supply is continuous, will only receive a portion of such Liquid if the supply is intermittent 54

36. A Satyr pouring Water from a Wine-skin into a full Washing-Basin, without making the contents overflow 55

37. Temple Doors opened by Fire on an Altar 57

38. Other intermediate means of opening Temple Doors by Fire on an Altar 59

39. Wine flowing from a Vessel may be arrested on the Introduction of Water, but, when the Supply of Water ceases, the Wine flows again 60

40. On an Apple being lifted, Hercules shoots a Dragon which then hisses 62

41. A Vessel from which uniform Quantities only of Liquid can be poured 64

42. A Water Jet actuated by compressed Air from the Lungs 65

43. Notes from a Bird produced at intervals by an intermittent Stream of Water 66

44. Notes produced from several Birds in succession, by a Stream of Water 67

45. A Jet of Steam supporting a Sphere 68

46. The World represented in the Centre of the Universe 68

47. A Fountain which trickles by the Action of the Sun’s Rays 69

48. A Thyrsus made to whistle by being submerged in Water 70

49. A Trumpet, in the Hands of an Automaton, sounded by compressed Air 71

50. The Steam-Engine 72

51. A Vessel from which flowing Water may be stopped at pleasure 73

52. A Drinking-Horn in which a peculiarly formed Siphon is fixed 74

53. A Vessel in which Water and Air ascend and descend alternately 75

54. Water driven from the Mouth of a Wine-skin in the Hands of a Satyr, by means of compressed Air 76

55. A Vessel, out of which Water flows as it is poured in, but if the supply is withheld, Water will not flow again, until the Vessel is half filled; and on the supply being again stopped, it will not then flow until the Vessel is filled 77

56. A Cupping-Glass, to which is attached, an Air-exhausted Compartment 79

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