|Note_en={{Dating|back}} Advertising for the [[Vacumatic]] model, mention the ''"[[Blue diamond]]"'' life warranty, the ''[[Quink]]'' ink with the ''[[Solv-x]]'' ingredient. | |Note_en={{Dating|back}} Advertising for the [[Vacumatic]] model, mention the ''"[[Blue diamond]]"'' life warranty, the ''[[Quink]]'' ink with the ''[[Solv-x]]'' ingredient. |