Boston: various, circa 1927-1929. Archive. One medium-sized file box containing approximately six hundred twenty-five items, including: commercial brochures (121), samples (11), posters (3), typed letters signed/TLS (304), autograph letters signed/ALS (149), postcards & telegrams (29), and periodicals (5). The commercial or trade brochures are mostly small booklets, bi-folds, and tri-folds, graphically illustrated with images of the equipment on offer, and frequently printed in two colors or in duotone. A small.....