Part of set of components, illustrating electric lamp manufacture
Part of set of components and part completed lamps illustrating the manufacture of a 100 w incandescent electric lamp, 1978
Set of components and part completed lamps illustrating the manufacture of a 100 w incandescent electric lamp, 1978
Part of set of components and part completed lamps illustrating the manufacture of a 100 w incandescent electric lamp, 1978
Part of set of components and part completed lamps illustrating the manufacture of a 100 w incandescent electric lamp, 1978