Time, calendars and clocks /
Worvill, Roy,
Time, calendars and clocks / Roy Worvill ; with illustrations by B.H. Robinson. - 50 pages : color illustrations ; 18 cm. - A Ladybird achievements book . - Ladybird achievements books. .
What is time? -- What is the time? -- Sundials and shadow clocks -- Stars and star-clocks -- The water clock -- The sand clock -- Fire clocks: candles and lamps -- The first mechanical clocks -- Weights, springs and pendulums -- A great clock-maker -- Navigation at sea -- John Harrison and the marine chronometer -- The first watches -- The long-case clock and the wall clock -- More than time -- Quartz crystal and atomic clocks -- Clock time and sundial time -- Time-zones and the International Date Line -- Earth, sun and seasons -- The sun calendar and Ancient Egypt -- The moon calendar -- The calendar of Julius Caesar -- The calendar of Pope Gregory -- Our world and the Great Year.
0721403360 9780721403366
GB7303686 bnb
010332542 Uk
Clocks and watches--Juvenile literature.
Time--Juvenile literature.
Clocks and watches.
Time.
Clocks and watches Juvenile literature United Kingdom Robinson B.H. [Illustrator] Education
Juvenile works.
Time, calendars and clocks / Roy Worvill ; with illustrations by B.H. Robinson. - 50 pages : color illustrations ; 18 cm. - A Ladybird achievements book . - Ladybird achievements books. .
What is time? -- What is the time? -- Sundials and shadow clocks -- Stars and star-clocks -- The water clock -- The sand clock -- Fire clocks: candles and lamps -- The first mechanical clocks -- Weights, springs and pendulums -- A great clock-maker -- Navigation at sea -- John Harrison and the marine chronometer -- The first watches -- The long-case clock and the wall clock -- More than time -- Quartz crystal and atomic clocks -- Clock time and sundial time -- Time-zones and the International Date Line -- Earth, sun and seasons -- The sun calendar and Ancient Egypt -- The moon calendar -- The calendar of Julius Caesar -- The calendar of Pope Gregory -- Our world and the Great Year.
0721403360 9780721403366
GB7303686 bnb
010332542 Uk
Clocks and watches--Juvenile literature.
Time--Juvenile literature.
Clocks and watches.
Time.
Clocks and watches Juvenile literature United Kingdom Robinson B.H. [Illustrator] Education
Juvenile works.