སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

དུས་རབས

བིལུ་པིརིན་ཊི ༢,༣༡༩ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༧

བིལུ་པིརིན་ཊི (༢,༣༡༩)

Building a Celestial Globe — Mapping the Stars on a Sphere

Building a Celestial Globe — Mapping the Stars on a Sphere

Astro གྱིསIS

བར་དུས

༥༦
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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 གྱིསIS

བར་དུས

༦༡
༠
༠
༠
༠
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Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

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

Astro གྱིསIS

ཝཱི་ཀིང

༦༩
༠
༠
༠
༡
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Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

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

Astro གྱིསIS

ཝཱི་ཀིང

༦༤
༠
༠
༠
༡
༠
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 གྱིསIS

Renaissance (1400–1600)

༨༠
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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 གྱིསIS

Renaissance (1400–1600)

༧༠
༠
༠
༠
༤
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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 གྱིསIS

Renaissance (1400–1600)

༨༣
༠
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༣
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Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

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

Astro གྱིསIS

བར་དུས

༡༠༥
༠
༠
༠
༦
༠
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 གྱིསIS

སྔོན་རབས

༩༡
༠
༠
༠
༧
༠
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 གྱིསIS

སྔོན་རབས

༩༨
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༠
༠
༣
༠
Warping a Treadle Loom — Measuring, Beaming, and Threading Warp for Broadcloth

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

Tex གྱིསFO

བར་དུས

༤༢
༠
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༠
༠
༠
Burling and Mending Woven Cloth — Cleaning and Repairing Fabric Before Fulling

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

Tex གྱིསFO

བར་དུས

༧༠
༠
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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 གྱིསFO

བར་དུས

༣༩
༠
༠
༠
༠
༠
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 གྱིསFO

བར་དུས

༧༥
༠
༠
༠
༡
༠
Tentering Cloth on a Frame — Stretching Fulled Wool to Set Width and Grain

Tentering Cloth on a Frame — Stretching Fulled Wool to Set Width and Grain

Tex གྱིསFO

བར་དུས

༧༥
༠
༠
༠
༢
༠
Drawing Wire Through a Drawplate — Reducing Iron Rod to Fine Wire

Drawing Wire Through a Drawplate — Reducing Iron Rod to Fine Wire

Forge གྱིསNO

ལྕགས་བཟོ

༥༤
༠
༠
༠
༤
༠
Carving and Printing a Woodblock — Relief Printing on Paper

Carving and Printing a Woodblock — Relief Printing on Paper

Woody གྱིསNO

ཤོག་བཟོ་རིག

༥༢
༠
༠
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༡
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Making Tallow Candles by Repeated Dipping — The Chandler's Craft

Making Tallow Candles by Repeated Dipping — The Chandler's Craft

YourGrandma གྱིསIS

བར་དུས

༤༧
༡
༠
༠
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Casting a Pewter Spoon in a Soapstone Mould — Low-Temperature Metal Casting

Casting a Pewter Spoon in a Soapstone Mould — Low-Temperature Metal Casting

Forge གྱིསNO

བར་དུས

༥༣
༠
༠
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Making Rope on a Ropemaking Machine — Twisted Three-Strand Hemp Rope

Making Rope on a Ropemaking Machine — Twisted Three-Strand Hemp Rope

Tex གྱིསFO

ཐག་པ་བཟོ

༦༥
༠
༠
༠
༠
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Binding a Coptic Stitch Journal — Exposed-Spine Chain Stitch Bookbinding

Binding a Coptic Stitch Journal — Exposed-Spine Chain Stitch Bookbinding

Tex གྱིསFO

ཤོག་བཟོ་རིག

༦༧
༠
༠
༠
༠
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Making Paper from Linen Rags — European Hand Papermaking

Making Paper from Linen Rags — European Hand Papermaking

Tex གྱིསFO

ཤོག་བཟོ་རིག

༡༢༩
༠
༠
༠
༢
༠
Making a Glass Bead on a Mandrel — Lampwork Beadmaking

Making a Glass Bead on a Mandrel — Lampwork Beadmaking

Forge གྱིསNO

ཤེལ་བཟོ

༦༩
༠
༠
༠
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Blowing a Glass Bottle by Hand — Free-Blown Vessel Shaping

Blowing a Glass Bottle by Hand — Free-Blown Vessel Shaping

Forge གྱིསNO

ཤེལ་བཟོ

༦༤
༠
༠
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༥
༠
2319 ནང་ལས་ 24 སྟོན་དོ།