Awarded SILVER MEDAL by the ROYAL SANITARY INSTITUTE.
Patent
Automatic
Rotary
Sprinkler
Self-clearing Orifices.
Requires attention about once a week or less.
Sewage Lifts, Valves, Penstocks, etc.
ROTUNDA WORKS,
3 BLACKFRIARS ROAD,
LONDON, S.E.
Also at EDINBURGH.
Original Image.