Electric fixtures & glassware : F & G section, 13th ed. (1911)
Balding & Mansell, England · leaf 26
All these sets with the exception of F 21 731 are arranged for the iexible wires to pass through the counterweight. In the case of F 21731 the wires pass outside the weight, as usedon most 2-hght Dressing Table Pendants.
Electric lighting · Lighting, Architectural and decorative · Electric signs
Internet Archive · Winterthur Library · Public Domain Mark 1.0. Free to use for anything.