It seems that no one smokes cigarettes in 1950s LA.
The Rowing Erg Machine wasn't invented until 1981 and thus would never have been spoken of in the 1950s.
Correction: The first known use of erg was in 1873. Calvin built his own machine, and erg was used in reference to it- they weren't speaking of a manufactured model that contained "erg" in the name. It's quite possible that they were using the term erg in a general context.
Correction: The first known use of erg was in 1873. Calvin built his own machine, and erg was used in reference to it- they weren't speaking of a manufactured model that contained "erg" in the name. It's quite possible that they were using the term erg in a general context.
In multiple episodes, the second hand on analog clocks moves with the tick, tick, tick motion of a quartz clock movement. Quartz clock movements were not commercially available until the mid-to-late 1960s. Clocks of this era, the 1950s, should have a sweep second hand.