{"book":"adl0946","page":17,"text":"۱۰\nخط دیگری که بران منطبق شده بلغزد و بطور اختصا\nمیگوئیم .\nبیان دوم - یک خط مستقیم ممکن است بر روی\nخود بلغزد :\nبیان اول تقریباً تفسیری از بیان دوم است .\n۱۲ - دوران یک خط بدور خود- یک جعبه مقوائی را گرفته\nسر پوش و دیوارهای دو طرف آن را بر میداریم (ش ۱۴) بعد در دو\nنقطه ا و ج\nبا سوزن دو\nسوراخ کرده\nیک سوزن بلند نازکی میگذرانیم درینجا هم خط مستقیمی بدست\nداریم که از دو نقطه ا و ج گذشته است حال سر آزاد سوزن را گرفته\nمانند وقتیکه ساعت را کوک می کنیم می چرخانیم اگر سوزن نازک\nدرست راست باشد همواره با خط مستقیمی که از دو نقطه ا و ج می\nگذرد تطبیق می شود و حرکت آن معلوم نمی شود مگر آنکه چشم خود را","chars":591,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00017.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/adl0946/17","canvas":"https://afghanpress.org/iiif/adl0946/canvas/17","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."}}