{"book":"adl0933","page":145,"text":"۱۴۸\nآهن مقناطیس شد انتهای اهرم را جذب نموده بخود میچسپاند و تا وقتیکه جریان\nدر مفتول امتداد داشته باشد اهرم بهمین حال باقی است ولی چون یکی از دو انتهای\nمفتول را از پیل منفصل نماید جریان الکتریسته قطع شد و مقناطیس دیگر اهرم را جذب\nنخواهد کرد بنابراین اهرم بواسطه قوه فنر بلند شده میخورد به تیغه که در بالای آن واقع\nشده است\n\nنمایش قطع دوران الکتریک\n\nاین عمل را میتوان بوسیله ارتباط مفتول با پیل یا انفصال آن پیوسته تکرار نمود\nیعنی ممکن است از کابل اهرم قندهار را هرچند دفعه که خواسته باشند بحرکت\nدهند و از همین حرکت اهرم است که مطالب تلگرافی مفهوم میشود از روی این حرکات\nالفبائی رمزی مخصوصی درست کرده اند بطوریکه هر حرکتی بجای یکی از حروف الفبا\nمیباشد تلگراف دستگاههای مختلفه دارد ولی معروفترین آنها دستگاه تلگراف","chars":711,"image":"https://storage.googleapis.com/adl-page-images/adl0933/00145.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/adl0933/145","canvas":"https://afghanpress.org/iiif/adl0933/canvas/145","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."}}