{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Micrometers - Slide Gauges and Calipers - Principles, Construction, Operation and Use of Appliances for Fine Mechanical Measurements","author_name":"Alfred W. Marshall","thumbnail_url":"https://www.ebooknetworking.net/books/144/742/big1447422821.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1447422821.html\">Micrometers - Slide Gauges and Calipers - Principles, Construction, Operation and Use of Appliances for Fine Mechanical Measurements</a>","width":400,"height":300}