{"book":"adl0946","page":298,"text":"۲۹۱\n\nبردو دائره مفروضه مماس مشترکی رسم کنید.\nبروز شکلی که از تماس یک خط و دو دائره بدست می آید\nملاحظه می کنیم پس دائرۀ ماننده رسم کرده و بریک نقطه از آن\nمانند ۱ خطی مماس می کشیم سر۲۳۲ بعد در روی این مماس\nنقطه دیگری مانند ۱ انتخاب نموده از ان نقطه دائره ه را\nبر آن مماس می کنیم در این حال سر۲۳۲ یا سر۲۳۳ بدست\nمی آید بنابر آنکه دائرۀ ثانی را در یک طرف خط ۱ و یا در طرف\nدیگر آن رسم کرده باشیم در حالت اوّل (سر۲۳۲) دو دائره\nدر یک طرف خط مماس اند این خط را مماس مشترک خارجی\n\nسر۲۳۲","chars":475,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00298.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/adl0946/298","canvas":"https://afghanpress.org/iiif/adl0946/canvas/298","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."}}