{"book":"adl0131","page":361,"text":"کتاب ۳۴۸ مساحت\nدر همان وقت در همان سمت بذریعه پنسل در تخته مسطح مذکور خطوط\nکشیده بروید و وقتیکه مشاهده نقوط اختتام یابد پس خطوط\nالف ب و الف ج و الف د وغیره را پیمایش کنید۔ پس\nاز نقطه الف که مقام شروع کردن پیمایش است خط الف ع\nبکشید و با خط کشیده مذکوره زاویه ع الف ب برابر زاویه\nمعلومه بسازید و خط الف ب برابر طول معلومه ببرید بعده بر نقطه\nب خط ب ع متوازی الف ع کشیده زاویه ع ب ج برابر\nزاویه مشاهده شده بسازید۔ و خط ب ج برابر طول پیمایش\nشده ببرید۔ بعده از نقطه ج نقطه د را قائم کنید پس شکل\nالف ب ج د تیار خواهد شد۔ آخر کار خط ع در امتدوازی\nخط الف ع کشیده و برابر زاویه معلوم زاویه ع د الف ساخته\nو خط د الف را برابر طول معلومه بریده مقام نقطه الف معلوم\nخواهد شد اگر نقطه مذکور بر نقطه که از نقطه مذکور پیمایش شروع\nشود","chars":715,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00361.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/361","canvas":"https://afghanpress.org/iiif/adl0131/canvas/361","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."}}