{"book":"adl0730","page":6,"text":"( ٢ ) صفحه\nآن با چوب سر انداز افقي كه از زمين\nبه ارتفاع ( ٢٠٤٣٨ متر ـ ٨ فت )\nواقع است پیوست میباشد ، عرض اعظم\nچوب گول و چوب سر انداز ( ١٢٠٧\nسانتي متر ـ ٥ انج ) است :\nمنطقهٔ گول : هر گاه هر كدام\nاز دو انتهاي خط گول را بسمت هاي\nمخالف به طول ( ١٠٨٢٨ متر ـ ٦\nوار ) امتداد داده شود و از هر دو انجام\nآن يك يك خط مستقيم عمود بطول\n( ١٠٨٢٨ متر ـ ٦ وار ) بطرف\nداخل میدان رسم شود و انتهاي اين دو\nعمود با خط مستقيمي كه طبعاً موازي\nخط گول است پيوست گردد رقبهٔ محاط\nمنطقهٔ گول است :","chars":468,"image":"https://storage.googleapis.com/adl-page-images/adl0730/00006.jpg","first_page":1,"last_page":26,"title":"Uṣūlnāmah-ʼi fut bāl : barā-yi ṭalabahʼi maʻārif / tarjamah-ʼi ʻAbd al-Ghafūr Khān ; bih taṣvīb-i Vizārat-i Maʻārif اصولنامۀ فت بال :اصولنامۀ فت بال","permalink":"https://afghanpress.org/book/adl0730/6","canvas":"https://afghanpress.org/iiif/adl0730/canvas/6","source":"https://afghanistandl.nyu.edu/books/adl0730/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0730_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."}}