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>On a Proposed Mode of relieving the Weight of the Moving Portion of an Altazimuth, and on the Theory of the Stability and Pressure exercised by the Upper Works. By Lieut. J. F. Tennant, Bengal Eng., F.R.A.S, First Asst. Gt. Trig. Survey of India
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On a Proposed Mode of relieving the Weight of the Moving Portion of an Altazimuth, and on the Theory of the Stability and Pressure exercised by the Upper Works. By Lieut. J. F. Tennant, Bengal Eng., F.R.A.S, First Asst. Gt. Trig. Survey of India
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机译：在提出的模式下，释放祭坛移动部分的重量，以及上部作品稳定性和压力的理论。逐个里。 J. F. Tennant，Bengal Eng。，F.R.A.S，首先是Asst。 GT。触发。印度调查
