Roberts, McLean and Co
Anti-Gas, civil defence equipment and fire protection engineers.
4 Lloyds Avenue, London, EC3 as well as Brabourne Road, Calcutta and Mehta Road, Bombay India.
Produced war gas smelling cases during the First World War to familiarise soldiers with the smells of various poison gases.
Sources of Information
- Surrey Mirror - Friday 10 September 1937 page 8
- The Times of India Directory and Year Book Including Who's who, 1969, page 739 and 846
-  London Science Museum Collections