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