The new technology of the time was electric lighting, so the new cars required the addition of electrical wiring, switches, switchboards, generators, and batteries.
There are also militarized variants, with secure data storage, night vision goggle compatible lighting, environmental hardening, and military specific applications and data.
Poses, lighting, soft focus, vignetting and hand retouching were employed to create photographic images that were comparable to the other arts at that time.
You can always update a room and improve the atmosphere with good lighting; equally, nothing makes a room feel dated and unwelcoming like bad lighting.
