Having the possibility of indicating on more than one scale

Official title: {having the possibility of indicating on more than one scale, e.g. hands with variable length which work on different scales (simultaneous indicating on several dials G04B19/025; indicating by discs used as hands G04B19/046; used as moving scales G04B19/202; different indications on several scales or dials, e.g. for different local apparent times G04B19/23)}

G04B19/048 (Having the possibility of indicating on more than one scale) appears on 44 US grants and 48 published applications in this corpus.