Quote:
	
	
		
			
				In 1914 
The average house cost $6,156 
Equivalent today: $134,695 
 
The average car cost $550 
Equivalent today: $12,034 
 
The average wage was $577 
Equivalent today: $12,625
			
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 According to this page
click  $1.00 = $21.88 in 1914. So that would make $1.30 = $28.44 in today's funds. So very close to DrNefario's figure of $30.93. 
 Henry Ford apparently paid his workers $5.00 a day but that was about twice the average person's wages per day back then so $1.30 was quite an investment for a book at that time.