{"book":"adl0842","page":60,"text":"۷۱\nتجربه هفدهم\nدیگر بوتل هیدروجن را گرفته این مرتبه دهن\nاو را طرف بالا بگیرید و فورا شمع روشن را\nنزدیک او بیارید فورا مشتعل شد شعله او از\nاول که در تجربه شانزدهم برآمده بود زیاده\nتر خواهد بر آمد سببش اینست که هیدروجن\nگاس از هوا سبک تر میباشد ازین سبب\nوقتیکه دهن بوتل را سمت بالا گرفتید\nگویا او را میکشید برای این زیاده شعله می زند\nو امتحان این امر بدینقرار بخوبی میشود که یک\nبوتل را از هوا پر کرده بگیرید و دیگر را از هیدروجن","chars":425,"image":"https://storage.googleapis.com/adl-page-images/adl0842/00060.jpg","first_page":1,"last_page":275,"title":"[Chemistry textbook for high school students]","permalink":"https://afghanpress.org/book/adl0842/60","canvas":"https://afghanpress.org/iiif/adl0842/canvas/60","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."}}