Image: 20190310 Bowling ball coverstock timeline
Description: Rough timeline of bowling ball coverstocks. Information derived from sources: Carrubba, Rich. Bowling Ball Evolution. BowlingBall.com (Bowlversity educational section)' (June 2012). Archived from the original on September 17, 2018. Siefers, Nick. Understanding the relationship between core and cover stock. BowlingDigital.com (Courtesy of USBC Equipment Specification and Certification)' (April 23, 2007). Archived from the original on September 20, 2018.
Title: 20190310 Bowling ball coverstock timeline
Credit: Own work
Author: RCraig09
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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