Standard cotton mill practice and equipment, with classified buyer's index (1918)
National Association of Cotton Manufacturers, National Association of Cotton Manufacturers. Year book of the National Association of Cotton Manufacturers · Boston : The National Association of Cotton Manufacturers · leaf 279
SASHFOR INDUSTRIAL BUILDINGS AND OFFICES LUPTONPIVOTEDFACTORY SASH A high-grade piv-oted-ventilator sashfor mills and facto-ries. Ventilators op-erated separately bypeg stays or chains,or in groups by PondOperating Device formass-controlled ven-tilation. SEE CATALOGUE10-LSS. POND CONTINUOUS SASH…
