| 41. | Joshua Habermel ( : de : Erasmus Habermehl ) created a theodolite with a compass and tripod in 1576.
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| 42. | A theodolite is mounted on its tribrach containing four thumbscrews, or in modern theodolites, three for rapid leveling.
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| 43. | A theodolite is mounted on its tribrach containing four thumbscrews, or in modern theodolites, three for rapid leveling.
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| 44. | By setting a theodolite on the top of the pillar, accurate bearings to nearby trig points could be taken.
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| 45. | Using the gun flash, the flash crew would determine a bearing to the gun using a theodolite or transit.
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| 46. | Now Mason began its survey using a photo-theodolite and stereographic techniques, laboriously collecting great quantities of data.
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| 47. | It was notable as being the equal of the great theodolite created by the renowned instrument maker, Jesse Ramsden.
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| 48. | A theodolite can be considerably more accurate if used correctly, but it is also considerably more difficult to use correctly.
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| 49. | The first radiosondes were observed from the ground with a theodolite, and gave only a wind estimation by the position.
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| 50. | The builder's level is sometimes mistaken for a transit theodolite, but it measures neither horizontal nor vertical angles.
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