{"book":"adl0946","page":79,"text":"۷۲\nاست بالعکس اگرسی قوس کوچک را که هر یک بواسطۀ یک\nزاویۀ مرکزی یک درجه از دائرہ جدا شده است پهلوی هم\nقرار دهیم مقابل بیک زاویۀ مرکزی ۳۰ درجه خواهد بود .\nاگر ما دائرۀ داشته باشیم که محیط آن به ۳۶۰ قوس مساوی\nتقسیم شده باشد با آن می توانیم زوایا را اندازه بگیریم و چنین\nآلت را نقاله می گوئیم .\nقوس یک درجه قوسی است که بواسطۀ یک زاویۀ\nیک درجه مرکزی از دائرہ جدا شده باشد .\n۹۳ - تبصره - سر ۷۶ نشان می دهد که یک زاویۀ\nمرکزی در روی دوائر مختلفه\nقسّی غیر مساویہ جدا\nمیکند.\nپس ایں عبارت (قوس\nیک درجه) قوسی را معلوم\nنمیکند مگر آنکه دائرہ اش معلوم باشد.","chars":542,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00079.jpg","first_page":1,"last_page":327,"title":"Handasah-ʼi musaṭṭaḥah barā-yi ṣinf-i haftum-i makātib-i rushdīyah, bi-qarār-i prūghram-i Vizārat-i Jalīlah-ʼi Muʻārif-i Afghānistān هندسۀ مسطحه :هندسۀ مسطحه","permalink":"https://afghanpress.org/book/adl0946/79","canvas":"https://afghanpress.org/iiif/adl0946/canvas/79","source":"https://afghanistandl.nyu.edu/books/adl0946/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0946_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."}}