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රූපලාවණ්‍ය සහ සුවතාව
ශිල්පය
සංස්කෘතිය සහ ඉතිහාසය
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පරිසරය
ආහාර සහ පාන
ප්‍රතිලෝම ඉංජිනේරු
විද්‍යාවන්
ක්‍රීඩා
තාක්ෂණය
පැළඳිය හැකි
සැලසුම්සංස්කෘතිය සහ ඉතිහාසය

සංස්කෘතිය සහ ඉතිහාසය

සැලසුම් 1,607 ක් තිබේ • උපවර්ග 3

උපවර්ග බලන්න

නිවාඩු සහ උත්සව

සෘතුමය

යුග

සැලසුම් (1,607)

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

Penny විසින්DK

ප්‍රකාශ විද්‍යාව

83
0
0
0
1
0
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
අනතුරුදායක

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

Peter විසින්SE

Metal

48
0
0
0
0
0
Foucault දෝලනය සාදන්න — පෘථිවි භ්‍රමණය ඔප්පු කරන්න

Foucault දෝලනය සාදන්න — පෘථිවි භ්‍රමණය ඔප්පු කරන්න

Astro විසින්IS

නූතන

103
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

Astro විසින්IS

නූතන

66
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

Astro විසින්IS

පිත්තල

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

Astro විසින්IS

මධ්‍යතන යුගය

65
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

Astro විසින්IS

ඊජිප්තුවරු

195
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

Astro විසින්IS

පුරාණ

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

Astro විසින්IS

තාරකා විද්‍යාව

53
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Astro විසින්IS

Renaissance (1400–1600)

89
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

Astro විසින්IS

මධ්‍යතන යුගය

47
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

Astro විසින්IS

මධ්‍යතන යුගය

55
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

Astro විසින්IS

වයිකිං

64
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

Astro විසින්IS

වයිකිං

60
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

Astro විසින්IS

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

Astro විසින්IS

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

Astro විසින්IS

Renaissance (1400–1600)

70
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

Astro විසින්IS

මධ්‍යතන යුගය

88
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

Astro විසින්IS

පිත්තල

69
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

Astro විසින්IS

ලෝකඩ

82
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

Tex විසින්FO

මධ්‍යතන යුගය

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

Tex විසින්FO

Cleaning

65
0
0
0
0
0
Pressing Broadcloth in a Screw Press — Hot and Cold Finishing for Lustre

Pressing Broadcloth in a Screw Press — Hot and Cold Finishing for Lustre

Tex විසින්FO

මධ්‍යතන යුගය

39
0
0
0
0
0
Raising the Nap and Shearing Woolen Cloth — Teasel Napping and Cropping Shears

Raising the Nap and Shearing Woolen Cloth — Teasel Napping and Cropping Shears

Tex විසින්FO

මධ්‍යතන යුගය

69
0
0
0
1
0
1607 කින් 24 ක් පෙන්වයි