Notation "Oct. 19, 1936" at top, presumably date received. Two-sided, 8.5 x 11, the "air eliminator" and ad glass sales pitches on side two are interesting. This is from the estate of the original recipient and was stored in a hoard from the time it was received until I cleaned out the house.

$45 obo shipped in the U.S., paypal preferred.

The pump shown above is a Sharmeter MA-37.

Edited.

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$35 shipped regular mail or you split priority cost with me.

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Pm sent

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bump $35 regular mail or $40 priority mail.