Josh is told he can get a room at the "Palmer House", but the building's sign reads merely "Hotel".
The town saloon has a sign proclaiming "Happy Hour". This expression dates from about 1914, referring to non-drinking get-togethers for sailors. The term moved over to its alcohol-consumption meaning during Prohibition.
When Jason first arrives in town and is speaking with Buff at the bar, the boom mic casts a shadow on the painting in the top right of frame.
The stableman is played by Raymond Hatton, who says he has lived over 50 years. In fact, Hatton was age 72 as of the February 1960 air date. Born in 1887, Hatton lived until age 84, passing away in 1971. Hatton had over 400 confirmed acting credits from 1912-1967, which were over 50 years.