Early 20th Century Steam Engine Demonstrator indoor bullet trap The lamp features three articulating

The lamp features three articulating joints (including the joint at the base of the lamp)

Please note that the interior lining is torn on the lid and the pink stuffing is visible

and a period-appropriate green tin shade

JM - 102022 - 105198

Early 20th Century Steam Engine Demonstrator indoor bullet trap The lamp features three articulatingc. 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