"Patent Of Queen Victoria Authorizing Felix De Lalande To Exploit His Invention"
Patent patent in the name of Queen VICTORIA Printed and handwritten piece on parchment retaining on the lower part a red cord a large yellow wax seal representing the queen on horseback. This document certifies that Félix de Lalande, civil engineer, is authorized to use for three years his invention of Alizarin dyeing and color printing, made on August 17, 1877. The set is kept in its original case covered in black leather , struck in the center of the arms of England. Work by Abel & Imray, London Patent: Height 52.5 cm Length 77 cm Box: Height 6 cm Length: 28.5 cm Depth: 22 cm 
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