{"book":"adl0933","page":141,"text":"۱۳۲\n\nکه از آن مداد درست میکنند) بعد آنرا در محلولی از سولفات و سود فرو برده با قطب\nمنفی پیل ضعیفی متصل مینمائیم و در همان وقت ورقه از مس را در محلول فرو برده با قطب\nمثبت پیل مربوط میسازیم بمحض اینکه جریان الکتریسیته بر قرار باشد سولفات دو\nکویور تجزیه شده اسید و اکسیژن آن بطرف قطب مثبت میروند در صورتیکه\nمس متدرجاً روی شیئی که بقطب منفی متصل شده است قرار میگیرد با این ترتیب\nمیتوان حیوانات و نباتات نفیسه را با یک طبقه از مس پوشانید بدون آنکه در تزیین\nو لطافت اعضای آنها نقصان پدید آید، میتوان آنها را تا هر چند زمانی که خواسته\nباشند نگاهدارند\n\nترتیب مطلا و مفضض نمودن اشیا\n\nاز این ترکیب میتوان اشیاء بی دوام و شکننده را مانند بلور و ظروف گلی","chars":642,"image":"https://storage.googleapis.com/adl-page-images/adl0933/00141.jpg","first_page":1,"last_page":163,"title":"ʻIlm al-ashyā : bar̄-yi jamāʻat-i sāl-i panjum va shishum makātib-i ibtidāʻi علم الاشىا : برى جماعت سال پنجم و ششم مکاتب ابتداع","permalink":"https://afghanpress.org/book/adl0933/141","canvas":"https://afghanpress.org/iiif/adl0933/canvas/141","source":"https://afghanistandl.nyu.edu/books/adl0933/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0933_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."}}