Schermack Mailing Machine, 1906 Joseph J. Schermack moved to Detroit, Michigan, USA in 1906 to build the Schermack Mailing Machine. The device could stamp and seal 250 envelopes per minute and was widely used by large companies through the 1920s. The device was later re-named the Mailometer. #familyhistory #detroit #detroithistory #schermackcompanies #schermack_genealogy #stampvendingmachine #stampcollection #stampcollector #genealogy #falknerjarrell #vending #vendingmachine #mailingmachine #schermackmailingmachine #mailometer