{"book":"adl0131","page":358,"text":"کتاب\n۳۴۷\nمساحت\n\nطریقه پیمایش که بذریعه تخته مسطح مذکور در عمل آورده میشود حسب ذیل\nبیان کرده میشود\n\nبرای مساح لازم و ضروری است که بالای تخته کاغذ را وسیع کرده با خود\nیک پنسل سرمئی مع یک پیمانه نگهدارد- فرض کنید که ساختن\nنقشه یک احاطه که گوشه های احاطه مذکور بشکل زاویه ها ساخته\nشده اند مطلوب است\nکه از شکل ذیل ظاهر است\nآله مذکور را بر نقطه الف قایم کنید که نقوط کل گوشه هاب و ج و د\nو غیره در نظر آیند- بر تخته مسطح یک نشان بر نقطه الف بکنید و یکصد\nسوزن بر نشان مذکور در تخته مسطح گور کنید و کناره شست را با\nسوزن مذکور مانده زاویه های مختلف را ملاحظه کنید و سوراخ های\nحصص کج شده شست را بمع هر یک از زاویه ها در یک\nخط مستقیم متواتر بیارید- و در وقتیکه زاویه ها را ملاحظه بفرمائید","chars":676,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00358.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/358","canvas":"https://afghanpress.org/iiif/adl0131/canvas/358","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_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."}}