1926 Ad Nortus Industrial Electric Furnace Abrasives Crystolon Grinding SCA5 XGWA7 The ad has a nice

The ad has a nice halftone image of an apartment building at Highgate

This 162+ year old Item is rated Fine +++

Wonder Rocker

This is an original 1931 two-color collotype of a late medieval piece by a Florentine follower of the Lorenzetti brothers in Italy

1926 Ad Nortus Industrial Electric Furnace Abrasives Crystolon Grinding SCA5 XGWA7 The ad has a niceThis is an original 1926 black and white print ad for industrial products, such as Alundum and Crystolon by the Norton Company of Worcester, Massachusetts. CONDITION This 85+ year old Item is rated Very Fine +++. Light aging throughout. Light creasing. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black White Grade: Very Fine +++ Dimensions: Approximately 7. 5 x 12. 5 inches; 19 x 32 cm Authentication: