Your search query has been changed... Tried: (gibson and robert and 1761 and a and treatise and of and practical and surveying and which and is and demonstrated and from and its and first and principles and wherein and every and thing and that and is and useful and curious and in and that and art and is and fully and considered and explained and particularly and three and new and very and concise and methods and for and determining and the and areas and of and right and lined and figures and arithmetically or by and calculation and as and well and as and the and geometrical and ones and heretofore and treated and of and the and whole and illustrated and by and copper and plates) no results found... Tried: (gibson or robert or 1761 or treatise or practical or surveying or which or demonstrated or from or its or first or principles or wherein or every or thing or that or useful or curious or that or art or fully or considered or explained or particularly or three or new or very or concise or methods or for or determining or the or areas or right or lined or figures or arithmetically or calculation or well or the or geometrical or ones or heretofore or treated or the or whole or illustrated or copper or plates)
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