Early 20th Century Steam Engine Demonstrator work lamp Passengers on trains who were

Passengers on trains who were facing each other were given these to place on their laps to form a table between them for food

Wills - London

This piece was used at the University of Wisconsin for an undetermined amount of time as noted by the plaque screwed into the upper left corner

and should be used for display

Early 20th Century Steam Engine Demonstrator work lamp Passengers on trains who werec. 1900s; L. E. Knott Apparatus Co. Boston Antique piston cutaway demonstrator created by Knott Apparatus Co., a scientific apparatus manufacturing company. This piece features, as the name would suggest, a cutaway model showing the inner workings of the piston and operates as the actual product would. It comes mounted on a wooden plank for ease of display. 9" W x 6" D x 6" H (with wooden mount) Please refer to photos regarding condition. For more