Resource Type

Automatic Service-Switch. (open access)

Automatic Service-Switch.

Patent for a new automatic service switch "which will be entirely concealed within a casing ordinarily kept locked, thus preventing any unauthorized parties from endangering themselves by tampering with the switch, and furthermore impeding any attempt to defraud the company furnishing the current by rendering the switch difficult to access." (lines 35-42) including instructions and illustrations.
Date: April 7, 1914
Creator: Wetter, Ralph E.
System: The Portal to Texas History
Meter-Box. (open access)

Meter-Box.

Patent for improvements in Meter-Boxes which can be buried in conjunction with underground mains, resisting vertical displacement. The patent also applies to a novel locking mechanism and construction which is light, strong, and durable.
Date: April 7, 1914
Creator: Rynearson, Eugene
System: The Portal to Texas History