Some were built with single doors and Suburban-style seating.
Five years later, in 1936, a cafe was built along with cubicles with proper doors.
It uses a custom built bodyshell with no roof or doors.
"They don't build houses with south-facing doors in these parts," Werferth said.
Smaller direct-view sets can be built into custom cabinets or bookshelves, with doors to cover the screen.
They were built of stone with sturdy double doors onto the street and only slit windows (if any) on the front.
These motor cars were the first built new with doors located in the centre of the body.
The cars were built with manually operated doors that contained convertible traps for low level operation.
The entire structure was built from solid rock with heavy wooden doors at the entrances both to the fort and courtyard.
The trains were thus built with doors on one side only.