{"book":"adl0946","page":65,"text":"۵۸\nمقوا را بدور سنجاق بگردانیم بدون آنکه کاغذ حرکت کند و\nنیز می دانیم که این عمل را ممکن است هر قدر بخواهیم امتداد\nدهیم به قسمی که همیشه مقوا روی کاغذ باشد (ع ۲۶) مانند چرخ\nارابه قطعه مقوا هم دارای حرکت دورانی است فقط می گوئیم که\nبدور نقطۀ ه دوران میکند.\n۷۸- خاصیّت اصلی حرکت دورانی - حال فرض\nمی کنیم قبل از گذاشتن مقوا بر روی آن در نقطۀ ا سوراخی\nکرده ایم به قسمی که\nنوک یک مداد\nبتوان دران داخل\nکرد (س ۲۵) وقتیکه\nمقوا را بدور نقطۀ\nه می گردانیم.\nفاصلۀ بین دو نقطه\nه و ا پیوسته\nس ۶۶","chars":480,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00065.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/adl0946/65","canvas":"https://afghanpress.org/iiif/adl0946/canvas/65","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."}}