During the 1930s, the original factory in Charles Street closed, and new technology was introduced with the development of modern systems of firing using electricity rather than coal. This in turn led to a better quality product, lower prices, and better conditions for the workforce.
In the 1930s, the original Charles Street factory was shut down due to changes in technology that utilized electricity instead of coal. As a result, there were better products, lower prices, and more favorable conditions for workers.