Metal Box Co. Ltd
The Langham, Portland Place, London, W1. Telephone: Langham 2040. Cables: "Metaboxes, Wesdo, London". (1947) Maker of plain and decorated tins and tins for fruit and vegetables (1932), of Baker Street, London
Made a variety of metal products under the Worcester Ware name. Tins, trays, bread bins, waste bins, sprayers. One sprayers uses Patent Nozzle (GB628083) dated 1948/9 by Edward George Cribb. 8 Brockley Avenue, Stanmore, Middlesex. Edward George Cribb of Stanmore was involved in the a company called QUADRANT CARBON & METAL PRODUCTS which was wound up in 1932. He also has another non-sprayer related patent (GB680632 - 8/10/1952) which links him to Quadrant Works, Cumberland Road, Stanmore. How this all relates requires more investigation.
Metal Box - Time Line
1810 Claimed foundation although several of the constituent companies preceded that date.
1921 Formed as a private company , Metal Box and Printing Industries Ltd, when it acquired controlling interests in Hudson Scott and Sons of Carlisle and Newcastle (est. 1799), Barclay and Fry Ltd of London and Portsmouth (est. 1799), F. Atkins and Co Ltd of Hull (est. 1897), Henry Grant and Co Ltd, of London (est. 1895)
red E. T. Gee and Sons of Liverpool (est.1860)
1930 Took over G. H. Williamson and Sons of Worcester (est. 1838) and Excel Canister Co Ltd of London (est.1915)
1930 Became a public company. Name changed to Metal Box Company Ltd.
1931 Acquired the British Can Co, of Acton, London.
1932 Public issue of shares; fruit and vegetable canning represented only 20 percent of the business but was growing rapidly and was expected to be an important part of the business in future
1934 Metal Box started rebuilding when the Blind Lane factory disappeared due to the construction of the North Circular.
1935 Two brewers in the Llanelli area, where tinplate was made, saw the opportunity for increased local employment from canning beer. One of these was Felinfoel Brewery, with family interests in the tinplate industry, who prompted Metal Box Co to work with the St. Davids Tinplate Co to make the first British beer cans; these were then sent to Felinfoel for filling.
WWII Made many things for war service including 140 million metal parts for respirators, 200 million items for precautions against gas attacks, 410 million machine gun belt clips, 1.5 million assembled units for anti-aircraft defence, mines, grenades, bomb tail fins, jerrican closures and water sterilisation kits, many different types of food packing including 5000 million cans, as well as operating agency factories for the government making gliders, production of fuses and repair of aero engines
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Metal Containers, Composites, Cartons, Caps, Closures, Advertising and Show Material Paper. A Complete Packaging Service Packed by Extensive Technical Research. Market Research and Publicity Departments, and Design and Photographic Studios. (Earls Court, 1st Floor, Stand No. 593) 
1961 Ten subsidiary and 13 associated companies. More than 25,000 employees. Largest packaging manufacturer in the Commonwealth. Manufacture containers, plain and decorated, in tinplate, blackplate, aluminium, paper and card; composite containers of paperboard and metal; containers in rigid and flexible plastics; printed labels; advertising novelties and display stands.  
1964 Metal Box was the largest user of tinplate in Britain