{"book":"adl0568","page":123,"text":"( ٥٢ )\nدریا قابل نوشیدن نیست تا که بذرائع آتیه کسب\nصفوت نماید .\nتصفیه بذریعه ته نشین شدن : ــــ\nچون دریا تا بحدی جریان می یابد مواد مخلوط آن\nمیل به نشستن کرده آهسته آهسته ته نشین می شود .\nیعنی اگر دریا بمقامی تیره گردد پنج میل پایانتر ازان\nمقام ، از اشیای مخلوط برائت جسته صاف میگردد .\nابیکه از مقام های مرتفع بمثل آبشار جریان مییابد\nبواسطه که در حین افتادن با ذرات هوا مخلوط میشود\nکسب صفائی میکند .\nاما هیچ يك ازین دو طریقه محل اعتماد کامله نیست\nچه در حین طوفان اشیای مخلوطه آب انقدر زیاد میگردد\nکه صفائی آن باین دو طریق مشکل مینماید .\nآفتاب خیلی مصفی آب است چه اکثر جرمها\nدر اشعه آفتاب بدرود حیات میگویند .\nآب تالاب :ــ\nتالاب ، يك حصه مجوف است که خواه قدرتاً بوجود","chars":666,"image":"https://storage.googleapis.com/adl-page-images/adl0568/00123.jpg","first_page":1,"last_page":597,"title":"Muʻarrif-i maʻārif معرف معارف","permalink":"https://afghanpress.org/book/adl0568/123","canvas":"https://afghanpress.org/iiif/adl0568/canvas/123","source":"https://afghanistandl.nyu.edu/books/adl0568/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0568_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."}}