Concept
Theodolites
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The practical surveyor. Containing the most approved methods for surveying of lands and waters, by the several instruments now in use: Particularly Exemplified with The Common and New Theodolites, and also How to Plot and Cast up such Surveys, with the Manner of Adorning the Maps thereof. To which are added, Some Uses of the New Theodolite, viz. In Drawing the Perspective Appearance of Buildings, &c. In Levelling, for the Conducting of Water, and In Taking the Dimensions of standing Timber. Together with the Description and Use of An Improved Sliding-Rule for Timber, &c. An Universal Dial, a Measuring Wheel, and The Pantographer, for Copying of Drawings. First published in part, by John Hammond; since enlarged, by Samuel Warner; and now revised, corrected, and greatly augmented.
Hammond, John (Surveyor)Date: M,DCC,LXV. [1765]
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Mont Blanc: a flat boulder raised on a pinnacle of ice. Colour lithograph by Louis Haghe after J.D. Forbes.
Forbes, James David, 1809-1868.Reference: 43867i
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Surveying: a theodolite made by Jesse Ramsden. Engraving by W. Lowry, 1819, after J. Farey.
Farey, John, 1766-1826.Date: 1819Reference: 46726i- Books
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The practical surveyor: containing the most approved methods for surveying of lands and waters, by the several instruments now in use: particularly exemplified with the common and new theodolites. And also How to plot and cast up such Surveys, with the Manner of adorning the Maps thereof. To which are added, Some uses of the new Theodolite, viz. In drawing the perspective Appearance of Buildings, &c. In levelling, for the conducting of Water, and In taking the Dimensions of standing Timber. Together with the Description and Use of An improved Sliding-Rule for Timber, &c. An Universal Dial. A Measuring Wheel, and The Pantographer, for copying of Drawings. First published in part, by John Hammond; since enlarged, by Samuel Warner; And now revised, corrected, and greatly augmented.
Hammond, John (Surveyor)Date: MDCCL. [1750]- Books
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The practical surveyor; shewing, ready and certain methods for measuring, mapping and adorning all sorts of lands and waters, by the several instruments used for this purpose: Particularly, Of a New Theodolite; Very convenient to be used by those who are resolved to be Accurate, as well as Expeditious. Together with The Use of the same Theodolite, in drawing the Perspective Appearance of a Gentleman's Seat, without Measuring one Single Length, at one setting down of the Instrument, the Picture having any given Position. Also, Its Use in Levelling, Measuring Timber Standing; and, by a Sliding Rule improved, all Timbers, Shrubs, &c. Extracted from the Works of the most Experienced Artists, by John Hammond.
Hammond, John (Surveyor)Date: M.DCC.XXV. [1725]