Philosophical instruments, and apparatus for useful purposes all being goods included in this class

Electric irons, electric percolators, electric footwarmers, electric soldering irons, electric wiring devices or accessories such as sockets, plugs, contacts and switches made wholly or mainly of metal; philosophical instruments, scientific instruments, apparatus for useful purposes and instruments and apparatus for teaching, including radio receivers, electro-phones and pick-ups, television receivers, wireless telephone apparatus (including ultra short wave wireless communication equipment), wire telephone equipment (including interphones), magnetic recorders, electrical testing and measuring apparatus (including radar equipment), public address systems (including loud speakers and microphones), transformers, balancers, condensers, vacuum tubes, dry cells and batteries, wet cells and storage batteries, electrical goods and accessories made wholly or predominantly of Plastic, electric vacuum cleaners, electric alarm systems; engineering, architectural and building contrivances; all being goods included in this class,

Engineering, architectural and building contrivances included in this class,

Liquid insectide