(at around 18 mins) A box pops up stating that the vacuum sold for $1045 when new in 1915 or about $13,120 today. Actually according to Consumer Price Index calculator from the Bureau of Labor Statistics, $1045 in 1915 would be $23375.10 in current dollar value or almost double what was stated. Also, $1045 was just about equivalent to the average annual income ($1076) for 1915 and more than twice the average cost of a new car ($500).