Sir Howard Grubb and Sons Limited

industry:
Gunsight maker,
Optical instrument maker,
Rangefinder maker,
Telescope maker

Traded at Rathmines, Dublin (1866-1915) & Fleet Works, St Albans, Herts., England. Howard Grubb sold the firm to Sir Charles Algernon Parsons in 1925 who transferred thr businesss to Walkergate, Newcastle-upon-Tyne, England