T. O. Blake (Sikes Hydrometers)
of 57 and 58 Hatton Garden
of 25 Belle Vue Terrace Hendon NW9 (1951)
Maker of Hydrometers and lamp blown medical glassware. Hydrometer and Thermometer Maker[1]
1905 Business established
Items manufactured by them are held by the London Science Museum.[2] [3]
1951 Directors: T. O. Blake (Managing); K. V. Blake (Secretary); K. E. Blake.