{"book":"adl0842","page":172,"text":"۱۸۳\nکبریت که بیرنگ بخار پیدا میشود و از سوختن\nفاسفورس که سفید دود ظاهر میشود\nاین هر دو از اقسام تیزاب اند و ثابت\nشدن آنها بدینقرار میشود که اگر در\nبوتلهای آنها کمی نیلگون عرق لٹمس\nانداختید پس او برنگ سرخ خواهد شد\nچهل و ششم ہیڈروجن هم یک\nبیرنگ و غیر مرئی و بیذایقه بخار است\nو این در هوا بطور آزادانه شامل نیست\nمگر در آب همراه آکسیجن بطور کیمیائی\nشامل میباشد از آب بچند طریقه برآمده","chars":380,"image":"https://storage.googleapis.com/adl-page-images/adl0842/00172.jpg","first_page":1,"last_page":275,"title":"[Chemistry textbook for high school students]","permalink":"https://afghanpress.org/book/adl0842/172","canvas":"https://afghanpress.org/iiif/adl0842/canvas/172","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."}}