{"book":"adl0311","page":52,"text":"جغرافیه طبیعی دارالعلوم\n۴۹\nعلی المواظبته تاریکی شب حاوی بودی لیکن همیشه همچنین\nنیست .\n(۴). و برعکس اگر میلان محور زمین از آفتاب دور\nبودی قطب جنوبی مداماً از روشنی آفتاب مستفیض بودی\nو قطب شمالی همیشه شب می داشت ظاهر و باهر است.\nکه این طور هم نیست !\nاز دو حقیقت آخرین ما نتیجه بر آوردیم که محور زمین\nبیک وقت سال طرف آفتاب مائل می باشد و بدیگر\nوقت مخالف می شود . یعنی محور زمین میدان حرکت\nانتقالی را مائلاً قطع می کند ـ و ازین واسطه ما در مواسم\nتبدلات و در درازی روز ها و شب ها تغییرات می بینیم!\n\nقطب شمالی\nسرطان\nاستوا\nجدی آفتاب\nقطب جنوبی\n\nقطب شمالی\nسرطان\nاستوا\nجدی\nقطب جنوبی","chars":572,"image":"https://storage.googleapis.com/adl-page-images/adl0311/00052.jpg","first_page":1,"last_page":125,"title":"Jughrāfiyā-yi ṭabʻī va Afrīqā جغرافياى طبعى و افريقا","permalink":"https://afghanpress.org/book/adl0311/52","canvas":"https://afghanpress.org/iiif/adl0311/canvas/52","source":"https://afghanistandl.nyu.edu/books/adl0311/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0311_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."}}