of 70 Dudden Hill Lane, Willesden, London, NW10. Telephone: Willesden 5141. Cables: "Aitchteeay, Harles, London"
- 1947 Listed Exhibitor - British Industries Fair. Manufacturers of Telephone Coin Collectors, Autodials, Stamp Vending Machines, Ticket Printing and Issuing Machines for Canteens, Transport and Totalisators, Commodity Vending Machines, Coin Operated Mechanisms, Kitchen Control Units, Counters, Gas Leak Indicators. (Earls Court, 1st Floor, Stand No. 628)