DescriptionMan Wearing Molded Ear Plugs.jpg English: Man Wearing Molded Ear Plugs Date 4 January 2014, 20:14:11 Source Own work Author Toby Bateson...
built by Monarch Engineering Company - from the January 1919 periodical, The American Elevator and Grain Trade (IA CAT31053470311) (page 12 crop).jpg....