Memoir of the Life of Major-General Colby ...: Together with a Sketch of the Origin and Progress of the Ordnance Survey of Great Britain and Ireland ...Seeley, Jackson & Halliday, 1869 - 316 pages |
From inside the book
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Page 13
... selection was made from the motive assigned in the above letter ; and that it was wise and just , and never regretted by General Mudge , may be gathered from his subsequent letter of September 9th , 1813 , in which he thus MAJOR ...
... selection was made from the motive assigned in the above letter ; and that it was wise and just , and never regretted by General Mudge , may be gathered from his subsequent letter of September 9th , 1813 , in which he thus MAJOR ...
Page 25
... selected by Captain Mudge and Mr. Dalby , the triangulation was extended , in the years 1792-93-94 , southward to the Isle of Wight , and connected with the previous triangulation of Kent , so that the groundwork was laid for the survey ...
... selected by Captain Mudge and Mr. Dalby , the triangulation was extended , in the years 1792-93-94 , southward to the Isle of Wight , and connected with the previous triangulation of Kent , so that the groundwork was laid for the survey ...
Page 59
... selected cer- tain points for making observations from , so that in the determination of the figure of the earth by meridian measures , more than one arc of meridian should be available from the trigonometrical survey of the United ...
... selected cer- tain points for making observations from , so that in the determination of the figure of the earth by meridian measures , more than one arc of meridian should be available from the trigonometrical survey of the United ...
Page 70
... selected in Shetland with the utmost precision , and for that purpose to determine the zenith distances of as many as possible of the stars , which may be observed for altitude at Greenwich and Paris . My friend M. Biot will not fail ...
... selected in Shetland with the utmost precision , and for that purpose to determine the zenith distances of as many as possible of the stars , which may be observed for altitude at Greenwich and Paris . My friend M. Biot will not fail ...
Page 77
... selection of Balta has been confirmed by subsequent observations , and M. Biot does not advance any sound objection to it in his published statement . After vividly contrasting , as two regions of the ter- restrial are most widely ...
... selection of Balta has been confirmed by subsequent observations , and M. Biot does not advance any sound objection to it in his published statement . After vividly contrasting , as two regions of the ter- restrial are most widely ...
Other editions - View all
Memoir of the Life of Major-General Colby ... Together with a Sketch of the ... Joseph Ellison Portlock No preview available - 2015 |
Memoir of the Life of Major-General Colby ... Together With a Sketch of the ... Joseph Ellison Portlock No preview available - 2018 |
Memoir of the Life of Major-General Colby ... Together with a Sketch of the ... Joseph Ellison Portlock No preview available - 2013 |
Common terms and phrases
accuracy acres adopted altitudes angles appear Arago Arbury Hill assist Astronomer Royal astronomers Balta Baron Zach baronial base Biot British survey calculation Captain Colby Captain Kater Captain Mudge Colby's Colonel Colby Colonel Mudge commenced comparison connected Dawson deduced degree determined difference of longitude difficulty direction distance Dunkirk Dunnose Engineers England English engraving error feet French geodesical geodesists Greenwich heliostat hill inches instrument Ireland Irish survey island labours land Larcom latitude length Lieut Lieut.-Colonel Lieutenant Drummond Lincolnshire Lough Foyle Major Colby measured Memoir ment meridian microscopes miles military mountain names necessary object observations observatories obtained officers operations Ordnance Survey party pendulum person Petty proceeded published purpose Ramsden repeating circle respect Richard Mudge rods scientific Scotland sector Severndroog Castle Shetland Slieve Donard stations steel chain superintendent surveyors telescope theodolite tion toises townland triangulation trigonometrical Unst whilst William Mudge zenith
Popular passages
Page 316 - He was a fellow of the Royal Societies of London and Edinburgh, and a member of some other learned bodies.
Page 169 - J or ^, in value, as we conceive, to that which is profitable and good; 4th, the names of the proprietor or proprietors who have lands within the said towne soe called or distinguished, or a note of the said lands itts being in controversy ; 5th, the quantity of acres in the said...
Page 174 - ... Lands in Ireland." And likewise another ordinance of the thirteenth of November, one thousand six hundred forty and seven. Upon which several Acts and ordinances great sums of money have been subscribed and paid in to the respective treasurers therein named, which by the said Acts and ordinances are to be satisfied by several proportions of the lands of the rebels aforesaid. And whereas, also, several great sums of money are grown due and in arrear...
Page 172 - ... but it remained for Dr. Petty, to originate the idea of connecting the separate operations, into a general survey of the three provinces which were not comprised in the Strafford Survey. His great step was making territorial and natural boundaries the main objects, instead of estate boundaries alone ; because the former were permanent and enduring, the latter in their nature fluctuating, and destined to change by the very purpose for which the survey itself was made. The insertion which he enjoined...
Page 202 - Among the valuable records in the custody of Sir William Betham, there is a memorandum of an order from the King (Charles II.), stating that the " barbarous and uncouth names of places" in Ireland, much retard the reformation of the country, and directing the Lord Lieutenant and Council to change such names into others more suitable to the English tongue, annexing the ancient names in every grant so altered. This appears to have been subsequently embodied in the Act of Explanation, of which it forms...
Page 48 - The anomalies which have occurred in the measures of degrees, and of which the appearances seem to increase in proportion as greater pains are taken to avoid inaccuracy, have naturally drawn the attention of mathematicians ; and the question, what part of them is to be ascribed to error, and what to irregularities in the structure of the globe, has come, of course, to be considered.
Page 142 - Town, at a distance of twenty-four miles ; and Captain Colby having, according to his usual practice, ascertained the general direction by means of a pocket compass and map, the whole party set off, as...
Page 178 - ... say that there is not one of these precautions which was not found indispensable on the similar work of the Ordnance Survey, and it is even more remarkable that clear directions on the same points were laid down also in the similar instructions prepared by the able director of that work, Colonel, now General Colby, who, it is needless to say, had never seen or heard of the archives and documents we are now consulting and printing. Many of the instructions of Dr. Petty and Colonel Colby might...
Page 19 - Accurate surveys of a country are universally admitted to be works of great public utility, as affording the surest foundation for almost every kind of internal improvement in time of peace, and the best means of forming judicious plans of defence against the invasions of an enemy in time of war ; in which last circumstance, their importance usually becomes the most apparent.
Page 174 - Satisfaction of the Adventurers for Lands in Ireland, and of the Arrears due to the Soldiery there, and of other publique Debts1.