Postcard from Harry Bahl to Mamie Collins in Central City, Nebraska with an illustration on the front of two children standing on a sidewalk, the girl is crying and the boy looks bewildered; there is a caption that reads: "You're the only girl I ever loved - but I can't keep telling you so all the time." There is a short note written on the back that says: "This is a true answer to that fussy letter."

Postcard showing a street scene in McGregor, Texas; the photograph shows a group of men standing in the middle of the street and a horse-drawn carriage walking by the corner of a building. The note on the back of the card discusses the sender's recent visit to Waco and that they are sorry they were unable to meet up: "hope I can attend church with you Sunday morning.

Patent for a governor for explosion engines. Illustration included.

Patent for a nebulizer, which has a spraying mechanism for delivering medicinal sprays through a nozzle to the nose, throat, or lungs.