{"book":"adl0266","page":85,"text":"( ۸۲ )\nمعلم - : هرگاه دوابری که در هريكی از انها جدا\nجدا نوع الكتريك جمع شود يعنی دريك پاره ابر\n(الكتريك منفی) و در ديگر (الكتريك مثبت) جمع آيد\nوقتيكه اين دو ابر بيكديگر نزديك شوند در مابين ان ابرهايك\nردو بدل الكتريك بسيار چابك وشديدی بوقوع می‌ايد\nو ازين مبادله يعنی ردو بدل يك شرارة الكتريك\nبسیار پر زور ، هوا را از هم پاره کرده دفع می کند ،\nو دفعتاً يك خالی گاهی در هوا پیدا شده نسبت بفراخی ان\nخالی گاه ، وشدت هجوم اوردن ابرها برای پر کردن\nان خالی گاه بهم دیگر مصادمه می کنند و ازين مصادمه يعنی\nبهم خوردن و بهم پچیدن ابرها صدای مهیب یا به غر غری\nبظهور می‌اید. وسبب ظهور برق اینست که دو ابری که\nدو نوع الكتريك را حامل باشد بيك ديگر نزديك شده\nو بهمديگر مصادمه نموده شرارة الكتريك را\nحاصل می کند .\nشاگرد - : پس معلوم شد که روشنی برق و صدای\nرعد هر دو از الکتریکی که در هوا میان ابرها جمع\nمیشود بظهور می آید .","chars":806,"image":"https://storage.googleapis.com/adl-page-images/adl0266/00085.jpg","first_page":1,"last_page":107,"title":"Muʻallim-i ḥikmat as̲ar-i Maḥmūd Ṭarzī معلم حکمت","permalink":"https://afghanpress.org/book/adl0266/85","canvas":"https://afghanpress.org/iiif/adl0266/canvas/85","source":"https://afghanistandl.nyu.edu/books/adl0266/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0266_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."}}