The National Glass Workers' Trade Protection Association was a trade union in the United Kingdom. The union was founded in 1920, when the Yorkshire Glass Bottle Makers' United Trade Protection Society merged with the majority of the National Glass Bottle Makers' Society. Based in Castleford, it merged with the Transport and General Workers' Union in 1940.
General Secretaries 1920: John Thompson 1924: R. Fenton
References
Arthur Ivor Marsh, Victoria Ryan. Historical Directory of Trade Unions, Volume 5 Ashgate Publishing, Ltd., Jan 1, 2006 pg. 435. ISBN 978-0-85967-990-9.
