{"book":"adl0933","page":124,"text":"114\nچرخ چوبی بتواند در آن داخل گردد همینکه چرخ داخل حلقه شد بلافاصله آب زیاد روی آن میریزند درین حال دایره فلزی بواسطه برودت منقبض شده بطور محکم بدور چرخ میچسپد ومثل این است که با میخهای آهنین آنرا محکم کرده باشند\nطریقه درست کردن چرخ گادی\nمهندسین که راه آهن را میسازند ملتفت این مسئله هستند بنابران مابین قطعات خط آهن فاصله مختصری قرار میدهند باندازه یک سانتیمتر و اگر این احتیاط را نکنند در تابستان که هوا گرم میشود خطوط انبساط یافته از جای خود کنده میشوند","chars":457,"image":"https://storage.googleapis.com/adl-page-images/adl0933/00124.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/adl0933/124","canvas":"https://afghanpress.org/iiif/adl0933/canvas/124","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."}}