Oras na!

This was first heard live on air at DZUP 1602 AM. Podcast uploaded at iskwiki. Click to listen

Shaping the day a history of timekeeping in England and Wales 1300-1800 por Glennie, Paul, Thrift, Nigel

A second is a hiccup a child's book of time por Hutchins, Hazel

Big book of time por Edmonds, William

Durations the encyclopedia of how long things take por Sandow, Stuart A.

Time por Dorling, Geoffrey 1935-

The short inetrval timer

Time bases, scanning generators their design and development, with notes on the cathode ray tube por Puckle, Owen Standige

Electronic time measurements por Chance, Britton, ed