So aren't these 1913 prices for the most part in par with today prices?
For example,
average 1913 income $1296 divided by $20.67 = 62.69 times 11104.1 = $69,226 today
new 1913 car $490 divided by 20.67 = 23.70 times 1104.1 = $26,173 today
dow and gas are out of whack.