Gas cylinder, metal, in protective covering of coconut matting, European, 19th century Gas cylinder 1801-1900
Electrostatic machine, wooden stand, metal cylinder, glass plate and tube, bad condition, European, first half of the 19th century Electrostatic machine 1801-1850
Heater, cylindrical, metal on wood base, with terminals, European, second half 19th century Heater, cylindrical 1850-1900
