{"book":"adl0933","page":151,"text":"۱۴۲\n\nدستگاه تلفون\n\nحال گوئیم اگر در مقابل دهانه دستگاه حرف زنند صفحه نازک آهنی مرتعش لرزیده اگر متوالیاً\nاز میله مقناطیسی دور و بآن نزدیک میشود و بالآخره بواسطه مجاورت با مقناطیس خود صفحه\nنیز دارای مقناطیس میگردد و از تغییر مکانهای متوالیه آن یا بعباره اخری از ارتعاشات آن\nجریانهای الکتریکی در قرقره تولید خواهند شد این جریانها از قرقره این دستگاه\nبتوسط مفتول هادی در قرقره دستگاه ضبط خبر میشود و در انجا صفحه نازک\nآهنی را متوالیاً دور و نزدیک نموده مرتعش میکنند در این حال دهانه دستگاه\nضبط خبر را بگوش وصل نمایند کلمات تلفظ شده در مقابل دستگاه مخابره\nرا بخوبی می شنوند\n\nفصل پنجم\n\n( شیمی )\nتعریف- شیمی شعبه ایست از علوم طبیعی که در ان بحث میشود از شرایط ترکیب","chars":659,"image":"https://storage.googleapis.com/adl-page-images/adl0933/00151.jpg","first_page":1,"last_page":163,"title":"ʻIlm al-ashyā : bar̄-yi jamāʻat-i sāl-i panjum va shishum makātib-i ibtidāʻi علم الاشىا : برى جماعت سال پنجم و ششم مکاتب ابتداع","permalink":"https://afghanpress.org/book/adl0933/151","canvas":"https://afghanpress.org/iiif/adl0933/canvas/151","source":"https://afghanistandl.nyu.edu/books/adl0933/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0933_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."}}