Hygienator-type water syringe
1929-1940
Dental water syringe
1875-1920
Dental(?) water syringe, brass and ivory, no bulb,
1830-1880
Self-loading water syringe
1890-1930
Self loading water syringe
1901-1930
Water syringe
1920-1935
Dental water syringe
1890-1930
"Hygienator" sparklets type dental water spray
1930-1940
Self-loading water syringe
1925-1960
Water syringe
1920-1940
CO2 activated dental water spray
1930-1955