Terentius, Johannes; Zheng, Wang 王徴
,
Yuan xi qi qi tu shuo lu zui 遠西奇器圖說錄最
,
[1830]
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91 - 120
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151 - 180
181 - 210
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241 - 241
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<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 241
>
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<
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id
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N10D00
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n
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2
">
<
p
type
="
head
">
<
s
id
="
N12473
">
<
pb
xlink:href
="
X03/01/205.jpg
"/>
<
lb
/>
係重。</
s
>
<
s
id
="
N1247C
">人在輞邊平處用力。</
s
>
<
s
id
="
N1247F
">其重與能
<
lb
/>
力,有輪半徑與軸半徑之比例。</
s
>
<
s
id
="
N12484
"/>
</
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>
<
p
type
="
main
">
<
s
id
="
N12489
"> 如上圖。</
s
>
<
s
id
="
N1248C
">輪之半徑為ai,軸之半徑
<
lb
/>
為ae,ai要平行。</
s
>
<
s
id
="
N12491
">i下有力或重
<
lb
/>
如o。</
s
>
<
s
id
="
N12496
">軸上纏索係重為u。</
s
>
<
s
id
="
N12499
">因ai四
<
lb
/>
分,ae一分,兩半徑有四倍之比例。</
s
>
<
s
id
="
N1249E
">
<
lb
/>
所以u重為八百斤,能力止用二百
<
lb
/>
斤即相準也。</
s
>
<
s
id
="
N124A4
">再加少力,則重起矣。</
s
>
<
s
id
="
N124A7
">
<
lb
/>
</
s
>
</
p
>
<
p
type
="
head
">
<
s
id
="
N124AE
">第五十八款 輪即等子類,如滑車即天平之類。</
s
>
<
s
id
="
N124B1
"/>
</
p
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</
chap
>
</
body
>
</
text
>
</
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