{ "item_title" : "Specifications and Tolerances for Reference Standards and Field Standard Weight and Measures", "item_author" : [" U. S. Department of Commerce "], "item_description" : "A field standard weight cart (after this, simply called weight cart) is intended for use in conjunction with Class F weights for testing commercial weighing devices for compliance with the requirements of NIST Handbook 44. The combination of Class F weights and weight cart may be used to test class III and III L scales with a division size ('d') equal to or greater than 5 lb, class IIII scales, and scales not marked with a class designation with a 'd' equal to or greater than 5 lb.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/49/474/012/1494740125_b.jpg", "price_data" : { "retail_price" : "15.99", "online_price" : "15.99", "our_price" : "15.99", "club_price" : "15.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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