London 's " big noise " , turning out drums by the hundred . Drums , big and small , are turned out by the hundred at Acton , London , where one of Britain 's largest drum companies has its factory . Skilled employees struggle to turn plywood and pigskins into the drms which find their way into symphony orchestras and jazz bands . The slightest variation in the curve of the body or the tension of the pigskin results in an altered tone and special tewting rooms have been constructed where adjustments can be made without unduly disturbing the rest of the staff . Placing the pigskin over the plywood body of the drum . 11 February 1933