{"book":"adl0946","page":10,"text":"0000144\n\n۳\n\nبدست گرفته بروی میز به سنجاق ها تکیه داده از طرفین بکشیم خط مستقیمی حاصل می شود که از دو نقطه (۱) و (د) گذشته است.\nحال اگر نخ دیگری که قرمز باشد بر روی میز همان دو نقطه تکیه داده از طرفین بکشیم آن دو نخ بر روی هم واقع گردیده بعبارة اخری بر یکدیگر تطبیق می شوند و یک خط تشکیل می دهند ازین رو خاصیت اصلی خط مستقیم را میتوان فهمید.\nاز دو نقطه معینه بیش از يك خط مستقيم نمیتوان عبور داد.\n۵ - خط غير محدود - هرگاه سوزنی را که خوب راست وصاف و نازک باشد برداشته در کنار دو سنجاق فوق الذکر در روی نخها قرار دهیم خط مستقیم دیگری بدست می آوریم دو خط سابق الذکر بدو نقطه ا و د محدود می باشند. ولی این خط مانند آنها از دو نقطه ا و د گذشته علاوه بران از طرفین هم قدری","chars":666,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00010.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/adl0946/10","canvas":"https://afghanpress.org/iiif/adl0946/canvas/10","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."}}