Piccardi
{{PatentInfo |Inventor=Andrew Stuart Horn |Assignee=Andrew Stuart Horn |Country=GB |ApplicationNum=15465/34 |ApplicationDate=1934-05-24 |PatentNum=435065 |PatentDate=1935-09-13 |PriorityDate=1934-05-24 |Marca=Unbranded |Titolo=Improvements in or relati...