{"book":"adl0131","page":295,"text":"کتاب\n۲۸۴\nمساحت\n\nو بدیگر طرف صندوق مذکور\nدر عین مقابل دیدبان مذکور\nیک سوراخ ساخته شده میبا شد\nو دیدن هر چیز که مطلوب است بذریعه سوراخ دیده میشود یعنی علم فرود\nبا دیدبان منطبق میکنند و تا وقتیکه علم و دیدبان با هم منطبق\nنشوند صندوق مذکور را گشتانده میروند. و بعده محور آله مذکور را\nکه در میان دیدبان و سوراخ یک خط میباشد و در آله مذکور\nقایم میباشد صندوقچه مذکور را گشتانده عین در راست آن چی\nمی آرند که دیدن چیز مذکور مطلوب میباشد و روبروی سوراخ\nمذکور عین در صندوق مذکور یک منشور (پریزم) تقطع میباشد\nکه بر (پریزم) مذکور عکس درجه هائی که در کناره های قرص کمپاسی\nمعین میباشند عکس می افتد. چنانچه در وقتیکه از سوراخ چی\nمطلوب را عین مقابل دیدبان و در راست محور گذشته\n\nمی بینند","chars":669,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00295.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/295","canvas":"https://afghanpress.org/iiif/adl0131/canvas/295","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."}}