{"book":"adl0131","page":351,"text":"کتاب ۳۴۰ مساحت\n\nدور نیم سکیل (نام آله است) بگذارید پس بطریق مذکوره بالاطول ۳ افت ۶ انچ\nمعلوم خواهد شد. باید که پیمانه آنقدر دراز باشد که در نقشه هر قدر\nساختن طول در آنز مطلوب باشد بذریعه پیمانه مذکور ساخته شود\nپس ممکن خواهد بود که طول بذریعه پیمانه مذکوره ساخته شود پس\nتا وقتیکه از صفرهای مذکوره حصص طرف راست تنصیف نگردد\nشود پیمانه مذکوره هیچ فایده نخواهد بخشید (ڈرائنگ بورڈ) لفظ\nانگریزی است نام آله است که از چوب خشک تخته معمولی ساخته\nشده میباشد که کج و تنگ نمیشود و نقشه بر تخته مذکوره ساخته\nمیشود ـ و هموار کردن کاغذ بجهت نقشه کشی بر تخته مذکور چندان آسان\nنیست باید که بطریق ذیل در استعمال آورده شود که اول تخته\nشسته شود و بعده صاف کرده شود و باز کاغذ را بر تخته مذکور\nفراخ کرده بذریعه اسفنج خوب تر کرده شود و بعد از تر کردن کاغذ باید که\nبرداشته شود و بعده هر طرف که خورد باشد قدری سریش مالیده","chars":796,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00351.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/351","canvas":"https://afghanpress.org/iiif/adl0131/canvas/351","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."}}