Here are some others from the masters of black, Western Electric.
On this one I just love the way the access door also recesses the meter.
Simple lines as on the RCA transmitter, but what caught my eye was how the relief around the edges and screws comes across as ornamental.
and here is a photo from someone who really "sees" and respects the beauty.
All About the Reflex Enclosure - Part 2 - P.G.A.H. Voigt - This is part 2 of a series by the legendary Voigt. http://www.itishifi.com