{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ORIGINAL PATENT APPLICATION NUMBER 139,224 FOR IMPROVEMENTS IN OR CONNECTED WITH MECHANICAL MEANS AND INSTRUMENTS FOR MEASURING VERTICAL HEIGHTS OR AERIAL TARGETS OR HORIZONTAL DISTANCES, SAY, FOR SURVEYING PURPOSES.","author_name":"Archibald Barr & William Stroud (inventors). Barr and Stroud Limited","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000O719FE.html\">ORIGINAL PATENT APPLICATION NUMBER 139,224 FOR IMPROVEMENTS IN OR CONNECTED WITH MECHANICAL MEANS AND INSTRUMENTS FOR MEASURING VERTICAL HEIGHTS OR AERIAL TARGETS OR HORIZONTAL DISTANCES, SAY, FOR SURVEYING PURPOSES.</a>","width":400,"height":300}