{"book":"adl0131","page":256,"text":"۲۴۵\nمساحت\n\nمگر بجهت معلوم کردن صحت کار یا از یک زاویه بر اضلاع\nمقابل عمود کشیده میشود و یا در میان خاص نقوط دو اضلاع مثلث\nخط کشیده میشود- و خطوط مذکور را پیمایش کرده دریافت\nکرده میشود که طول با بذریعه پیمایش معلوم گردیده اند آیا برابر\nهمین طول خط مذکور است یا نه که از روی نقشه با پیمانه پیمایش\nدریافت شده است- پس همچنین خطوط که بجهت صحت\nامتحان و آزمایش کار پیمایش کرده میشوند خطوط مذکور را خط\nاثبات یا خط امتحان یا خط انسداد مینامند-\n(۱۹۴) در پیمایش کردن یک زمین با بیغار زمین با بسیاری\nتحریر و عمل در استعمال می آید- مثلا که در دفعه (۱۹۱) بیان کرده\nشده است- یعنی بجهت هر یک خط جریبی یک عمل باید که\nدر استعمال آورده شود حال مثال یک تقسیم زمین را در ذیل بیان\nمینمائیم که شکل زمین مذکور با شکال مثلث مشابهت داشته باشد","chars":716,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00256.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/256","canvas":"https://afghanpress.org/iiif/adl0131/canvas/256","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."}}