If this product is a vintage acetylene gas carbide generator from the industrial age, it is specifically designed for sight feed applications. This historical piece of equipment would have been used for generating acetylene gas, which was commonly used in various industrial processes during that time period. With its unique sight feed feature, this carbide generator offers a glimpse into the past and provides a historical perspective on industrial technology. It is listed for parts or not working, I do not know if it works. Please use pictures to help determine condition. It is dated 9 - 21 - 51
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