Bauhaus pendant lamp HMB 25/300 ...

Design:
Marianne Brandt and Hans Przyrembel 1925.

Each lamp is consecutively numbered and bears this logo:

TECNOLUMEN

BAUHAUS

Available in 4 different versions
(see table below):
HMB 25/300 Z Ni
HMB 25/300 Z W
HMB 25/300 Ni
HMB 25/300 W

HMB 25/300 Z Ni	With pulley and counterweight. Polished nickel plated aluminium.
HMB 25/300 Z W	With pulley and counterweight. Aluminium, white laquered.
HMB 25/300 Ni	Without pulley and counterweight. Polished nickel plated aluminium.
HMB 25/300 W	Without pulley and counterweight. Aluminium, white laquered.