Trigonometry Plane and Spherical: With the Investigation of Some of the More Important Formulæ of Practical Astronomy and Surveying, Specially Arranged for the Use of the Students Attending the Royal Geographical Society's Course of Instruction
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Trigonometry Plane and Spherical: With the Investigation of Some of the More Important Formulæ of Practical Astronomy and Surveying, Specially Arranged for the Use of the Students Attending the Royal Geographical Society's Course of Instruction
