Highly Accurate Brass And Steel Marine Protractor With A Reduction Mechanism
Based on the principle of the Diebold compasses from Strasbourg, butwith rack-and-pinion mechanisms,
in itswooden case.
I’ve learned that to make a golden compass—to achieve the golden ratio—:
All you have to do is position the wheel according to the following ratio:total length of one arm divided by 1.618 (golden ratio) Scientific?..... Well, of course.
in itswooden case.
I’ve learned that to make a golden compass—to achieve the golden ratio—:
All you have to do is position the wheel according to the following ratio:total length of one arm divided by 1.618 (golden ratio) Scientific?..... Well, of course.
175 €
Period: 19th century
Style: Other Style
Condition: Perfect condition
Material: Other
Length: 16cm
Width: 1
Depth: 1
Reference (ID): 1839635
Availability: In stock
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