{"book":"adl0842","page":203,"text":"۲۱۴\nدرجه کار آمد برای انسان است ازین\nاواع که مذکو گردیده شد حقیقت نیست\nکه اگر بدنیا آهن نمی بود پس انسان غایت\nنمیشد و وحشی میماند ریل و هزارها ماشین ها\nکه انسانرا از وفایده های کلی میرسد بدون\nآهن از کجا تیار میشد و هزارها آلات که ازینها\nبشمار کار می براید و اقسام اقسام اشیای\nساخته میشوند اگر آهن نمیبود از کدام شی ساخه\nمیشد و کارهای پیشه ور ها از کجا پیش رفت\nمیکرد بدین ایک زمانه گذشته که پیش انسان\nآهن نبود چرا که آهن خالص دستیاب نمیشود","chars":438,"image":"https://storage.googleapis.com/adl-page-images/adl0842/00203.jpg","first_page":1,"last_page":275,"title":"[Chemistry textbook for high school students]","permalink":"https://afghanpress.org/book/adl0842/203","canvas":"https://afghanpress.org/iiif/adl0842/canvas/203","source":"https://afghanistandl.nyu.edu/books/adl0842/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0842_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."}}