continuous kiln การใช้

• Around 1885, experiments began on design of continuous kilns.
• His nephew Harry Weller became president from 1925 " 1932, introducing continuous kiln operation.
• Their 1853 patented  Stiff-Plastic Brickmaking Machine, in combination with the Hoffman continuous kiln was responsible for changes in the industry which eventually saw it shift from a hand craft to a mechanized production line.