{"book":"adl0568","page":233,"text":"(٢٤)\n\nکه برماوشما فشار عظام هوا چسان عمل می نماید ـ وما\nزیر ان فشار چرا فشرده نمیشویم ـ وآن فشار چرا\nمحسوس نمی شود ـ فشار هوا مانند فشار آب بهر طرف\nعمل میکند ـ چنانچه اگرتخته کاغذیرا درهوابگذارید ـ\nفشار تحت وفوق آن یکسان اثر کرده کاغذ در هوا\nمی پرد ـ واز تجربۀ ذیل اثر فشار بخوبی واضح\nمی شود ـ\nتجربه! جسم کروی مجوفی که بقرار شکل دو نصف\nمساوی داشته باشد ودريك نصف ان سوراخی باشد\nکه بسهولت بسته شود چون هردونصف را يكجا کرده\nسوراخ آنرا ببندید ـ هردو نصف بهم متصل میشود\nچون خواهید که هر دورا ازهم جدا کنیدبآسانی جدا\nمیشود ـ باعثش این استکه هوای خارج بهرقدرقوتیکه\nآن دونیمه را بهم وصل میکنند ـ هوای داخل نیز بهمان\nقوت انهارافصل می نماید ـ چونهردو نیمه را بهم پیوسته\nهوای داخل را بذریعه که انها مخراج الهوا می نامند ـ\nخارج نمودیم بعد ازان هردونیمه را بدست گرفته هر قدر","chars":762,"image":"https://storage.googleapis.com/adl-page-images/adl0568/00233.jpg","first_page":1,"last_page":597,"title":"Muʻarrif-i maʻārif معرف معارف","permalink":"https://afghanpress.org/book/adl0568/233","canvas":"https://afghanpress.org/iiif/adl0568/canvas/233","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."}}