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27 results for: mathematical instruments

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The Optician and Mathematical Instrument Maker
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The Optician and Mathematical Instrument Maker

The earliest commercial makers of mathematical instruments in London
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The earliest commercial makers of mathematical ins...

Albert Einstein
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Albert Einstein

Using a quadrant with a plumb bob to calculate the height of a tower by triangulation
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Using a quadrant with a plumb bob to calculate the...

Surveyors using quadrants fitted with plumb bobs
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Surveyors using quadrants fitted with plumb bobs

Using astrolabes to calculate the height of a steeple
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Using astrolabes to calculate the height of a stee...

A surveyor's level
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A surveyor's level

Planimeter used in conjunction with a set square for surveying
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Planimeter used in conjunction with a set square f...

Gemma Phrysius or Frisius
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Gemma Phrysius or Frisius

Measuring the distance of an inaccessible object by triangulation
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Measuring the distance of an inaccessible object b...

Finding the angular distance between two edges of a wood
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Finding the angular distance between two edges of ...

Using a cross-staff to measure the height of a tower
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Using a cross-staff to measure the height of a tow...

Cross-staffs used for surveying
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Cross-staffs used for surveying

Title page of Edmund Gunter
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Title page of Edmund Gunter

Measuring the altitude of the sun with ring dials
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Measuring the altitude of the sun with ring dials

Map making and surveying using a magnetic compass
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Map making and surveying using a magnetic compass

Using a plane table and hinged staff to measure the height of a tower
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Using a plane table and hinged staff to measure th...

Triangulation with a hinged staff
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Triangulation with a hinged staff

Obtaining the height of a building by the use of a cross-staff
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Obtaining the height of a building by the use of a...

Using a quadrant with a plumb bob to calculate the height of a tower by triangulation
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Using a quadrant with a plumb bob to calculate the...

Quadrant being used to obtain the altitude of a tower
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Quadrant being used to obtain the altitude of a to...

Methods of surveying
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Methods of surveying

Method of using quadrant fitted with a plumb line
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Method of using quadrant fitted with a plumb line

Method of using quadrant fitted with a plumb line
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Method of using quadrant fitted with a plumb line

Peter Apian, "Quadrans Apiani"
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Peter Apian, "Quadrans Apiani"

Peter Apian, "Quadrans Apiani"
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Peter Apian, "Quadrans Apiani"

Engraving showing Pythagoras
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Engraving showing Pythagoras