{"book":"adl0147","page":7,"text":"۴\n\nو نیم درجه و دیگری از قطب جنوبی به فاصلهٔ مذکور واقع\nمی باشد*\n\nطول و عرض بلاد\n\nعرض کدام شهر و مقام عبارت از آن فاصله است که\nمابین مقام مذکور و خط استوا می باشد خواه شمالی باشد\nخواه جنوبی و پیمایش فاصلهٔ مذکور بذریعهٔ خطوط درجات\nالعرض کرده می شود و هر مقامی که در نصف کرهٔ\nشمالی واقع باشد فاصله اش را عرض شمالی و هر\nمقامی که در نصف کرهٔ جنوبی باشد فاصله اش را\nعرض جنوبی می گویند طول کدام مقام عبارت از آن\nفاصله است که از نصف النهار معین شمار کرده می\nشود خواه مشرقی باشد خواه مغربی بقرار تحقیق جدیده\nدرین ایام رصدگاه معین بمقام گرینویج است که متصل\nلندن واقع است-پیمایش دوائر طول و عرض به قرار\nدرجات می باشد و هر یک دائره مشتمل می باشد بر\nسه صد و شصت درجات بنابر آن فاصلهٔ هیچ مقام","chars":681,"image":"https://storage.googleapis.com/adl-page-images/adl0147/00007.jpg","first_page":1,"last_page":113,"title":"Mirʾāt al-arz̤ ‏مر آة الارض‏‏مر آة الارض‏","permalink":"https://afghanpress.org/book/adl0147/7","canvas":"https://afghanpress.org/iiif/adl0147/canvas/7","source":"https://afghanistandl.nyu.edu/books/adl0147/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0147_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."}}