Early 20th Century Steam Engine Demonstrator pulldown It is in good working

It is in good working condition

The company would later expand to London and open Imperial Biscuit Works in 1903

It is believed that this lamp also pre-dates flashed or japanned copper finishing which also became popular in America after the turn of the century

Exhibits minimal tarnish and mild patina

5"W x 40"L

Early 20th Century Steam Engine Demonstrator pulldown It is in good workingc. 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