The September 1929 issue has quite a bit to offer.
American Standards Association Approves 1929 NEC (page 5) The NEC has been the basic guide for safe practices in the wiring of consumer premises for use or electricity for light, heat, and power for 30 YEARS!
Important Legal Decision (page 7) For inspectors who are enforcing the NEC and others working under the code. “Using Fixtures Forbidden by National Electrical Code Is Evidence of Negligence. McIntosh vs. Alabama Power Company.”
Successful Western Section Meeting at Detroit (page 10) “They came by train, they came by auto, they came by boat, and some even came on foot for this meeting. (notice, no airplanes were mentioned)