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សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
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ប្លង់វប្បធម៌ និង ប្រវត្តិសាស្ត្រ

វប្បធម៌ និង ប្រវត្តិសាស្ត្រ

1,561 ប្លង់មាន • 3 ប្រភេទរង

រុករកប្រភេទរង

សម័យកាល

តាមរដូវ

ថ្ងៃឈប់ និង ពិធីបុណ្យ

ប្លង់ (1,561)

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

ដោយ CharlieDE

Metal

92
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

ដោយ PennyDK

អុបទិក

54
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

ដោយ PennyDK

អុបទិក

79
0
0
0
1
0
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
គ្រោះថ្នាក់

Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge

ដោយ PeterSE

Metal

47
0
0
0
0
0
Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight

Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight

ដោយ AstroIS

សម័យទំនើប

100
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans

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

ដោយ AstroIS

សម័យទំនើប

62
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

ដោយ AstroIS

លង្ហិន

74
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

ដោយ AstroIS

មជ្ឈិមសតវត្ស

62
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

ដោយ AstroIS

អេហ្ស៊ីប

183
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

ដោយ AstroIS

បុរាណ

845
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

ដោយ AstroIS

តារាវិទ្យា

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

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

ដោយ AstroIS

Renaissance (1400–1600)

85
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

ដោយ AstroIS

មជ្ឈិមសតវត្ស

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

ដោយ AstroIS

មជ្ឈិមសតវត្ស

50
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

ដោយ AstroIS

វីកឃីង

60
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

ដោយ AstroIS

វីកឃីង

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

ដោយ 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

ដោយ 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

ដោយ 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

ដោយ AstroIS

មជ្ឈិមសតវត្ស

80
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

ដោយ AstroIS

លង្ហិន

60
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

ដោយ AstroIS

សំរិទ្ធ

78
0
0
0
3
0
Warping a Treadle Loom — Measuring, Beaming, and Threading Warp for Broadcloth

Warping a Treadle Loom — Measuring, Beaming, and Threading Warp for Broadcloth

ដោយ TexFO

មជ្ឈិមសតវត្ស

33
0
0
0
0
0
Burling and Mending Woven Cloth — Cleaning and Repairing Fabric Before Fulling

Burling and Mending Woven Cloth — Cleaning and Repairing Fabric Before Fulling

ដោយ TexFO

Cleaning

63
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 1561