It’s based on the innovative Hollow Clock from [shiura]. It displays time with an hour hand and a minute hand ... patterns we see projected through a transparent object, and if you shape ...

Charles’ creations include a “World Clock” tracking 24 time zones through a transparent center ... which had no visible mechanism. The hands could be spun freely and would always return ...

More than $10,000 later, Mayor Willie Brown will be on hand at 12:30 p.m. Monday when the clock resumes its historic chore of keeping accurate time on its eight golden dials. The elder Samuels ...