COLUMBIA — Bob King connects with history every day. As owner of Pendulum Bob's Clock Shop at 1400 Forum Blvd., King examines clocks handcrafted as early as the 1830s and brings their broken parts ...

Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...