Vintage Brass Torch Gauge Demonstrator with Dual Gauges by NCG de reszke but eventually expanded to scientific

but eventually expanded to scientific models

This rare find from the early 1900s has significant rust as shown in the photos

The mascot is standing on an illustrated depiction of the tobacco plug boxes

five treble switches

Elgin City Banking Co

Vintage Brass Torch Gauge Demonstrator with Dual Gauges by NCG de reszke but eventually expanded to scientific1960s 1970s; National Cylinder Gas Co. (NCG) Cleveland, OH Vintage brass torch gauge demonstrator with dual pressure gauges on slate display base. Originally manufactured by the National Cylinder Gas Co., this vintage training demonstrator offers a cross sectioned view of a torch pressure regulatoronce used to teach industrial gas handling and safety procedures. Constructed primarily of solid brass, the unit features two functioning PSI gauges mounted