Plugs barbed plug for seal wounds
1871-1920
Barbed plug for wounded seals
1871-1920
Barked plug for seal wounds
1871-1920
Bayonet plug
2-pin plug, hemicylindrical
2-pin plug, without casing
2-pin plug, ceramic and brass
2-pin plug, ceramic and brass
Bayonet plug
Bayonet plug
Bayonet plug
Bayonet plug
Bayonet plug
2-pin plug, ceramic and brass
Bayonet plug
Bayonet plug
Selection of three Bakelite plugs
Three Fusible Plugs for preventing Boiler Explosions
1862