{"book":"adl0938","page":671,"text":"۶۶۴\nو کدام خط عملی مفید و ضروری را پرسان کند، و آن شکل را همراه\nکدام شی مربوط سازد (مثلاً برگ کدام درخت، یا گل کدام\nبوته، یا بکدام گلدانی وغیره) نیز بسوی آن مقامات متوجه کند\nکه از انجا کدام خط منحنی از خط دیگر عملی پیدا میشود، یا از ان میرآید\nو این را هم سر آنها مشاهده نماید که اگر آن خطوط منحنی را امتداد\nدهند چرا یکدگر را قطع میکنند، تا انچه چشم مشاهده کرد، الحاصل\nآن شکل را بدست رسم باید نمود:-\n(۱) مدرس باید بمدد طلاب خطوط عملی را بر تخته سیاه رسم نماید\nو حدود آن شکل را مقرر کند.\n(۲) خطوط کلان آن شکل را رسم باید کرد، اول خط بسوی چپ\nباز خط جانب راست که مقابل آن باشد.\n(۳) بعد ازین حدود خطوط داخلی را مقرر باید نمود ۔ از بالا\nسوی زیر، یا از درون جانب بیرون .\n(۴) بعده این خطوط را در شکل خفیف رسم باید کرد.\n(۵) باز خطوط عملی را محو باید کرد.","chars":745,"image":"https://storage.googleapis.com/adl-page-images/adl0938/00671.jpg","first_page":1,"last_page":719,"title":"ʻIlm al-taʻalīm عالم التعليم","permalink":"https://afghanpress.org/book/adl0938/671","canvas":"https://afghanpress.org/iiif/adl0938/canvas/671","source":"https://afghanistandl.nyu.edu/books/adl0938/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0938_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."}}