{"book":"adl0131","page":321,"text":"کتاب ۳۱۰ مساحت\n\nکه پیمایش یک قطعه زمین مطلوب است و گرداگرد قطعه زمین مذکور\nگشته ضرورت پیمایش پنج اضلاع مطلوب است. حال از مقام\nالف روان شده باز واپس بمقام مذکوره میگردیم و بعد از ختم\nشدن دورهٔ مذکوره صرف الف ب یک منقسم خط خواهد بود\nکه سمت و طول خط مذکوره معلوم اند اگر خط الف ج پیمایش\nکرده شود و بجهت خط مذکور عمل که در مذکوره بالا بیان کرده شده است\nکرده شود پس نقطهٔ ج معین خواهد شد باز اگر انیج تای فاصله\nکه باشد پیمایش کرده از نقاط الف و ج بر نصف قطرها الف ی و ج\nدایره‌ها کشیده شوند پس\nتقاطع دایره‌های مذکور نقطه‌ی\nمعین خواهد شد و اگر نقاط ی و ج را مرکز تصور نموده از ی و\nو ج و نصف قطرها دائره‌ها ساخته شوند پس نقطهٔ ی معلوم خواهد شد\nمقام الف و ب و ج و غیره در زمین با میخ‌هائیکه در زمین گور کرده","chars":698,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00321.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/321","canvas":"https://afghanpress.org/iiif/adl0131/canvas/321","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}