Yes I have that book. They state Edward Moore & company kept their business going until 1922 which isn't entirely correct.

The glassworks was operational until 1922 but not by Edward Moore & Co Ltd.
Depending on which book you read, you get different dates, so I just went back to the original sources to clear things up.
I've attached a clipping from the London Gazette, 2nd May 1913.

I also have the liquidation details from the London Gazette for Holborn Glass Works, and they state an Extraordinary General Meeting was held at the Works of the company, West Holborn, South Shields. (Which was the address of the old Moores glassworks) That meeting was held 7th June 1922.
The names given in the liquidation notice match the names given in a paper called "Rise & Fall of the Glass Industry in South Shields" published by the South Shields Archaeological & Historical Society in 1968.
