Trivial Trivia - taking trivia to new levels

[RJNorton]

Congratulations, Mark! I was beginning to think no one would get this one. You will also get the next one in case you used the same source I did.

One last Lincoln question from the same source - what is this a picture of?

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Hint #1: With regard to the source I am using here is part of a vacuum cleaner ad that is in the source. You can find the answer to the above question on the Internet; in other words you do not need to own a copy to get the answer correct.