{"article":{"id":"britannica-11-armature","work_id":"britannica-11","title":"Armature","normalized_title":"armature","slug":"armature","aliases":[],"subtitle":"Internet Archive OCR import","body_text":"ARMATURE (from Lat. armatura, armour), a covering for defence. In zoology the word is used of the bony shell of the armadillo. In architecture it is applied to the iron stays by which the lead lights are secured in windows. (See STANCHION and SADDLE: Saddle-Bars.) In magnetism Dr William Gilbert applied the term to the piece of soft iron with which he \" armed \" or capped the lodestone in order to increase its power. It is also used for the \" keeper \" or piece of iron which is placed across the poles of a horse-shoe magnet, and held in place by magnetic attraction, in order to complete the magnetic circuit and preserve the magnetism of the steej; and hence, in dynamo-electric machinery, for the portion which is attracted by the electromagnet, as the moving part of an electric motor, or, by extension, the moving part of a dynamo (q.t.).","body_html":"<p>ARMATURE (from Lat. armatura, armour), a covering for defence. In zoology the word is used of the bony shell of the armadillo. In architecture it is applied to the iron stays by which the lead lights are secured in windows. (See STANCHION and SADDLE: Saddle-Bars.) In magnetism Dr William Gilbert applied the term to the piece of soft iron with which he &quot; armed &quot; or capped the lodestone in order to increase its power. It is also used for the &quot; keeper &quot; or piece of iron which is placed across the poles of a horse-shoe magnet, and held in place by magnetic attraction, in order to complete the magnetic circuit and preserve the magnetism of the steej; and hence, in dynamo-electric machinery, for the portion which is attracted by the electromagnet, as the moving part of an electric motor, or, by extension, the moving part of a dynamo (q.t.).</p>","volume_id":"britannica-11-v2","page_range_label":"Vol. 2, pp. 563-563","source_url":"https://archive.org/details/encyclopaediabri02chisrich/page/n614/mode/1up","text_source_url":"https://archive.org/download/encyclopaediabri02chisrich/encyclopaediabri02chisrich_djvu.txt","scan_source_url":"https://archive.org/details/encyclopaediabri02chisrich","quality_status":"ocr-imported-page-aligned","parser_version":"ia-djvu-xml-v1","page_refs":[{"page_number":"563","label":"p. 563","image_url":"/source-assets/scans/britannica-11/encyclopaediabri02chisrich/encyclopaediabri02chisrich_0615.jpg","source_image_url":"https://archive.org/download/encyclopaediabri02chisrich/encyclopaediabri02chisrich_jp2.zip/encyclopaediabri02chisrich_jp2%2Fencyclopaediabri02chisrich_0615.jp2&ext=jpg","source_url":"https://archive.org/details/encyclopaediabri02chisrich/page/n614/mode/1up"}]},"work":{"id":"britannica-11","slug":"britannica-11","title":"Encyclopaedia Britannica","short_title":"Britannica 11th","edition":"11th edition","publisher":"Cambridge University Press","publication_start_year":1910,"publication_end_year":1911,"language":"English","country":"United Kingdom / United States","copyright_status_note":"First published before 1931; treated as public domain in the United States. Verify jurisdiction before redistribution outside the U.S.","source_quality":"mixed-clean-and-ocr","text_source_url":"https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica","scan_source_url":"https://archive.org/details/encyclopaediabri","volumes":[{"id":"britannica-11-v1","volume_number":"1","title":"A to Androphagi","year":1910,"source_url":"https://archive.org/details/encyclopaediabri01chisrich","text_source_url":"https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica","scan_source_url":"https://archive.org/details/encyclopaediabri01chisrich","page_count":1084},{"id":"britannica-11-v2","volume_number":"2","title":"Andros to Austria","year":1910,"source_url":"https://archive.org/details/encyclopaediabri02chisrich","text_source_url":"https://archive.org/download/encyclopaediabri02chisrich/encyclopaediabri02chisrich_djvu.txt","scan_source_url":"https://archive.org/details/encyclopaediabri02chisrich","page_count":null},{"id":"britannica-11-v9","volume_number":"9","title":"Edwardes to Evangelical Association","year":1910,"source_url":"https://archive.org/details/encyclopaediabrit09chisrich","text_source_url":"https://archive.org/download/encyclopaediabrit09chisrich/encyclopaediabrit09chisrich_djvu.txt","scan_source_url":"https://archive.org/details/encyclopaediabrit09chisrich","page_count":null},{"id":"britannica-11-v26","volume_number":"26","title":"Submarine Mines to Tom-Tom","year":1911,"source_url":"https://archive.org/details/encyclopaediabri26chisrich","text_source_url":"https://archive.org/download/encyclopaediabri26chisrich/encyclopaediabri26chisrich_djvu.txt","scan_source_url":"https://archive.org/details/encyclopaediabri26chisrich","page_count":null},{"id":"britannica-11-v27","volume_number":"27","title":"Tonality to Vesuvius","year":1911,"source_url":"https://archive.org/details/encyclopaediabri27chisrich","text_source_url":"https://ia903207.us.archive.org/15/items/encyclopaediabri27chisrich/encyclopaediabri27chisrich_djvu.txt","scan_source_url":"https://archive.org/details/encyclopaediabri27chisrich","page_count":null}]}}