{"book":"adl0933","page":123,"text":"١١٦\n\n٢- انبساط حرارت بتوسط حرارت - حرارت باعث انبساط اجسام\n\nاز برای اثبات این مسئله تجربه ذیل میپردازیم\n\nتجربه اول- از مفتول ( ) آهنی که یک یا دو میلیمتر قطر داشته باشد\nحلقۀ درست میکنیم بطوری که گلوله فلزی بتواند بسهولت ازان عبور نماید بعد ان\nگلوله را حرارت میدهیم میبینیم از حلقه نمیتواند بگذرد بلکه در روی آن می ایستد چون\nبگذاریم سرد شود مجدداً از حلقه عبور خواهد نمود پس معلوم شد که حرارت باعث\nانبساط اجسام میگردد و بالعکس برودت سبب انقباض اجسام میشود\n\nتجربه دوم - البته چرخ سازها\nرا دیده اید که چگونه چرخ های گادی\nو گاری و دو چرخه ها را درست میکنند\nابتدا چرخ را از چوب ساخته بعد حلقه\nدوائر از آهن درست میکنند بطوری\nانبساط اجسام بتوسط حرارت که حلقه یک کمی کوچکتر از چرخ باشد\nبعد انرا در میان آتش می اندازند تا بواسطۀ حرارت دائرۀ آن وسیع شده\n\n۲- انبساط اجسام را بواسطۀ حرارت بیان نمائید؟","chars":789,"image":"https://storage.googleapis.com/adl-page-images/adl0933/00123.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/adl0933/123","canvas":"https://afghanpress.org/iiif/adl0933/canvas/123","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."}}