{"book":"adl0568","page":243,"text":"( ٣٤ )\nکنیم مثلاً در بازوی خود که آرنج را قائم کرده بذریعه\nدست وزن برداشته قوت را بواسطۀ اعصاب در میان\nارنج و دست استعمال میکنیم - بواسطه رافعه از قوت کم\nاثر زیاد و از حرکت قلیل حرکت کثیر گرفته میتوانیم چنانچه\nاگر سیخ اینطور قائم کنیم که يك بازوی آن به نسبت\nبازوی دگر هزار چند باشد اگر بر بازوی خورد یکپاو\nقوت برسد بر بازوی کلان هزار پاو وزن برای\nتوازن آن در کار می باشد . بهمین سبب\nاست که ارشمیدش حکیم گفته که اگر يك نقطه در حصه\nبیرون زمین اینقسم بیابیم كه يك رافعه طویل مضبوط را\nبر آن نقطه قائم کنیم بذریعه آن زمین را بآسانی برداشته\nمی توانیم .\n(۲) نظام چرخ ها :- که آنها را بسه صورت\nترتیب داده میتوانیم ( ترتیب اول ) مثل نقشه :- وزن\nبر چرخ آخری اویزان است بواسطه چرخ بردو حصه\nریسمان تقسیم میشود یعنی نصف آن بر يك ریسمان و نصف\nآن بردیگر ریسمان و چونکه ریسمان اول بريك چرخ","chars":773,"image":"https://storage.googleapis.com/adl-page-images/adl0568/00243.jpg","first_page":1,"last_page":597,"title":"Muʻarrif-i maʻārif معرف معارف","permalink":"https://afghanpress.org/book/adl0568/243","canvas":"https://afghanpress.org/iiif/adl0568/canvas/243","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."}}