{"book":"adl0131","page":45,"text":"کتاب\n۳۴\nمتوازی یک خط مستقیم ب د\nخط مستقیم بکشید که از زیاده شده\nحصه الف ب بر نقطه ه یکجا شود\nشامل کنید خط د ه را پس بموجب دفعه (۱۹) مثلث ب ج د\nبه مثلث ب ه د و از همین سبب کثیر الاضلاع الف ب ج دی و\nبه کثیر الاضلاع الف ه دی ف که به نسبت کثیر الاضلاع معلوم یک جا\nکم است و همین طور از عمل کردن بار بار بر هر یک کثیر الاضلاع معلوم که\nمثلث هم ساخته میتوانیم-\n۵۰- اسکیل یعنی پیمانه که قطرا وعشری باشد بسازید و طریقه آن\nاو را هم بیان کنید یک خط مستقیم الف ب اینقدر طول بگیر\nکه از او بعمل کردن آسانی آید و این خط را اینقدر زیاده کنید که کل\nخط مستقیم الف ب ده چند باشد. و برین ب ج و ج آ\nوغیره طول برابر خط الف ب بسازید و یک دیگر خط مستقیم متواز-\nخط مستقیم م","chars":647,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00045.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/45","canvas":"https://afghanpress.org/iiif/adl0131/canvas/45","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."}}