{"book":"adl0131","page":319,"text":"کتاب ۳۰۸ مساحت\n\nبجهت مقرر نمودن خطوط تجویز قاعدۀ عام ناممکن است چرا که در\nهر یک قطعه ملک صورت های مختلف پیدا خواهند شد مگر\nخیال باید داشت که خط بقسمی مقرر کرده شود که بذریعه خط مذکور\nبیانات بسیار مفصل معلوم شوند- هر اصول که در جری پیمائش\nاستعمال کرده میشود بر خواص معمولی مثلث مبنی است فرض کنیم\nکه یک خط ۳۰۰ فُٹ در طول در یک زمین پیمائش کرده شده است\nو از یک سر خط مذکوره یک خط دیگر که ۴۰۰ فُٹ در طول است\nپیمائش کرده شده است اگر سرهای هر دو خطوط مذکوره با هم\nیکجا کرده شوند یک مثلث که اضلاع مثلث معلوم خواهند بود\nتیار خواهد شد حال بر خط اصلی الف ب صرف دو مثلث بطریق\nذیل کشیده میتوانیم که الف ب = ۳۰۰\nب ج = ب ج ۴۰۰\nج الف = ج الف ۵۰۰","chars":630,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00319.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/319","canvas":"https://afghanpress.org/iiif/adl0131/canvas/319","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."}}