16th April 1990
Time as well as Tide Movements Produce Fancy Clocks
Time and tide movements, combined into one, allow a hobbyist or specialist to set up a clock from components that displays both the time of day and tidal activity. It is not uncommon to locate time movements or tide movements offered independently, yet placing them together right into one system simplifies the job and leads in the direction of the manufacturing of expensive wrist watches.
Combined tide as well as time movements need not only the conventional hour as well as min hands, yet also a 3rd hand in a different color to show tide level. Naturally, one should make use of an unique dial that presents both the signs representing basically semi-daily variations in tidal habits and also the traditional hour numbers and also minute markings for reviewing the moment of day. Furthermore, the dial needs to be calibrated to collaborate with the activity or electric motor, though one might conveniently design her own dial to select matching hand lengths.
The old way of constructing clock electric motors was mechanical. A coiled springtime or hanging weight provided a pressure that triggered a pendulum to swing backward and forward. This would subsequently set a network of gears in motion, causing a tick sounding and/or second hand progressing every secondly.