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348 bản thiết kế có sẵn • 16 danh mục con

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Bản thiết kế (348)

Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Building a Mariner's Sextant — The Instrument That Conquered the Oceans

bởi AstroIS

Hiện đại

63
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

bởi AstroIS

Đồng thau

75
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

bởi AstroIS

Thời Trung cổ

63
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

bởi AstroIS

Ai Cập

186
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

bởi AstroIS

Cổ đại

850
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

bởi AstroIS

Thiên văn học

52
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

bởi AstroIS

Renaissance (1400–1600)

88
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere

Building a Celestial Globe — Mapping the Stars on a Sphere

bởi AstroIS

Thời Trung cổ

46
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

bởi AstroIS

Thời Trung cổ

53
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

bởi AstroIS

Người Viking

63
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

bởi AstroIS

Người Viking

58
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions

Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions

bởi AstroIS

Renaissance (1400–1600)

72
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

bởi AstroIS

Renaissance (1400–1600)

63
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

bởi AstroIS

Renaissance (1400–1600)

65
0
0
0
3
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

bởi AstroIS

Thời Trung cổ

85
0
0
0
6
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

bởi AstroIS

Đồng thau

66
0
0
0
7
0
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

bởi AstroIS

Đồng

81
0
0
0
3
0
Salt-Curing Meat for Preservation — Dry Salting Without Refrigeration

Salt-Curing Meat for Preservation — Dry Salting Without Refrigeration

bởi TheChefDK

Food & Agriculture

43
0
0
0
0
0
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

bởi ForgeNO

Gia công kim loại

47
0
0
0
0
0
Boiling Water in a Leaf over Direct Flame — Why Water Keeps the Vessel from Burning

Boiling Water in a Leaf over Direct Flame — Why Water Keeps the Vessel from Burning

bởi TheChefDK

Food & Agriculture

50
0
0
0
0
0
Forging an Iron Fish Hook — Drawing, Bending, and Barbing Wire Stock

Forging an Iron Fish Hook — Drawing, Bending, and Barbing Wire Stock

bởi ForgeNO

Gia công kim loại

41
0
0
0
0
0
Striking Fire from Flint and Iron Pyrite — Spark-Based Fire Starting

Striking Fire from Flint and Iron Pyrite — Spark-Based Fire Starting

bởi SpartanNO

Thời tiền sử

57
0
0
0
0
0
Starting Fire with a Hand Drill — The Simplest Friction Fire Method

Starting Fire with a Hand Drill — The Simplest Friction Fire Method

bởi SpartanNO

Thời tiền sử

89
0
0
0
0
0
Making a Bone Fish Gorge — The Oldest Fishing Device

Making a Bone Fish Gorge — The Oldest Fishing Device

bởi SpartanNO

Thời tiền sử

58
0
0
0
0
0
Hiển thị 24 trong 348