2013년 11월 15일 금요일

세계화의 이해-시간의 세계화(영문)

세계화의 이해-시간의 세계화(영문)
세계화의 이해-시간의 세계화(영문).ppt


목차
1.Public Clock
For signaling and notification
Administrative or religious purpose
One-way signaling

2.Sundial
BC4000 in Egypt, For sunny days

3.Water Clock
BC1400 in Egypt, For cloudy or rainy days and nights

4.Hourglass(Sandglass), Fire-Clock, etc


본문
Initial Mechanical Clock (14C)

Still, Public Clock,

but could show
what time it was

Non-portable



Accuracy Improving (16C~18C)

1. Gravity-swing pendulum

2.Advance in technology
Escapement
Movement for small clock and watch

3.For navigation
A large prize for accurate clock
Using chronometer in navigation


Propagation of Clock and Watch
Carriage clock
(cart clock)
Pocket watch


Getting
smaller

Industrial revolution
From a luxury,
to a necessity

Getting
cheaper


Time card
punching
In workplace




본문내용

Initial Mechanical Clock (14C)
Still, Public Clock,
but could show
what time it was
Non-portable
1
Weight-driven clock
*

Accuracy Improving (16C~18C)
Gravity-swing pendulum
1
Advance in technology
Escapement
Movement for small clock and watch
2
For navigation
A large prize for accurate clock
Using chronometer in navigation
3
12
*

Propagation of Clock and Watch
Getting
smaller
Carriage clock
(c
 

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