Balling gun, for sheep, for use with "Cosecure" soluble glass boluses, nickel plated brass, English, 1986 Balling gun 1986
Plastic "Cosecure" Balling Gun, for the administration of pills or capsules to cattle, by unknwon manufacturer, 1965-1980 Plastic "Cosecure" Balling Gun 1965-1980
Metal Balling Gun, for the administration of pills or capsules to cattle, by unknown manufacturer, 1955-1975 Metal Balling Gun 1955-1975
Metal `multiple dose' Balling Gun, for the administration of pills or capsules to cattle, by the Western Instrument Company, Denver, Colorado, USA, 1975-1978 Metal `multiple dose' Balling Gun 1975-1978
Two metal Balling Guns, different designs, for the administration of pills or capsules to sheep, possibly by the Holborn Instrument Company, London, 1940-1960 Two metal Balling Guns 1940-1960