Fibrelight Self-Recovery Ladders Designer (Person) Hobbs, Anthony Taylor, David Designer (Organisation) Fibrelight Developments Manufacturer CQC Manufactured for Fibrelight Developments Date 2022
Addiator mechanical calculator Designer (Person) Unknown Manufacturer Kingson Date 1960 - 1979 (circa)
Petrous PRMC-1 calculator Designer (Person) Unknown Manufacturer Petrous Electronic Corp Date 1970 - 1999 (circa)