{"book":"adl0131","page":237,"text":"کتاب\n۲۲۶\nمساحہ کر\nو مقام در میانی ریسمان مذکور را یک شخص بر نقطه ج گذاشته\nمحکم گرفته دارد و هر دو سر های ریسمان های مذکور دو شخص\nدیگر محکم گرفته هر دو حصص مذکور را کشیده باینقسم کج نمائید که هر دو\nسرهای مذکور بر نقاط دَ وَ یِ بالای خط الف ب فرود آیند\nبعدہ نقطہ تنصیف خط دی نقطه ف را معلوم کرد\nدر میان نقاط ج و ف خط بکشید پس ج ف عمود مطلوب\nخواهد بودـ\n(۱۷۹) در دفعۀ مذکوره بالاضرور است که نشان خط مستقیم\nالف ب بهر طور که باشد باید که در زمین صاف ساخته\nیعنی در میان نقاط الف و ب جریب هموار کرده شود و یا\nدر همان سمت بقدر فاصله باید که علم هانشانده شوند و اگر\nنشان خط مستقیم الف ب بقسم مذکوره بالاظاهر کرد نشد\nپس باید که شخص در راست خط الف ب از نقطه الف پس\nبکشد","chars":657,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00237.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/237","canvas":"https://afghanpress.org/iiif/adl0131/canvas/237","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."}}