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

བཟོ་རིག

བིལུ་པིརིན་ཊི ༡,༦༧༥ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༡

བིལུ་པིརིན་ཊི (༡,༦༧༥)

Building a Roman Undershot Water Mill — Grain Milling by Hydraulic Power

Building a Roman Undershot Water Mill — Grain Milling by Hydraulic Power

Emma གྱིསSE

རོ་མ

༥༡
༠
༠
༠
༡
༠
Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Emma གྱིསSE

བཟོ་སྐྲུན

༦༧
༠
༠
༠
༢
༠
Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Charlie གྱིསDE

དེང་རབས

༦༨
༠
༠
༠
༠
༠
Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass
ཉེན་ཁ་ཅན།

Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass

Charlie གྱིསDE

དེང་རབས

༥༤
༠
༠
༠
༠
༠
Making Venetian Filigree Glass (Latticino) — Twisting White Canes into Lace Patterns

Making Venetian Filigree Glass (Latticino) — Twisting White Canes into Lace Patterns

Charlie གྱིསDE

སྔོན་རབས

༦༨
༠
༠
༠
༠
༠
Making Venetian Cristallo — The Water-Clear Glass of Murano

Making Venetian Cristallo — The Water-Clear Glass of Murano

Charlie གྱིསDE

སྔོན་རབས

༦༦
༠
༠
༠
༣
༠
Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Charlie གྱིསDE

སྡེབ་རི

༥༤
༠
༠
༠
༠
༠
Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Charlie གྱིསDE

སྔོན་རབས

༤༣
༠
༠
༠
༡
༠
Tanning a Deer Hide into Buckskin — From Raw Pelt to Soft Leather

Tanning a Deer Hide into Buckskin — From Raw Pelt to Soft Leather

Tex གྱིསFO

རས་དང་པགས

༦༦
༠
༠
༠
༠
༠
Cutting Decorative Deer Antler Slices — Polished Rounds for Display and Jewelry

Cutting Decorative Deer Antler Slices — Polished Rounds for Display and Jewelry

Woody གྱིསNO

རྒྱན་ཆ

༧༩
༠
༠
༠
༠
༠
Making Deer Antler Coat Toggles — Tine-Section Fasteners for Duffle Coats

Making Deer Antler Coat Toggles — Tine-Section Fasteners for Duffle Coats

Woody གྱིསNO

ཤིང་བཟོ

༦༧
༠
༠
༠
༠
༠
Making Deer Antler Buttons — Cross-Section Slices with Sewing Holes

Making Deer Antler Buttons — Cross-Section Slices with Sewing Holes

Woody གྱིསNO

ཤིང་བཟོ

༨༤
༠
༠
༠
༠
༠
Making a Deer Antler Knife Handle — Drill, Shape, and Epoxy a Hidden-Tang Grip

Making a Deer Antler Knife Handle — Drill, Shape, and Epoxy a Hidden-Tang Grip

Woody གྱིསNO

ཤིང་བཟོ

༡༢༠
༠
༠
༠
༠
༠
Mounting a Deer Head Trophy — Wall-Mount Taxidermy on a Wooden Shield

Mounting a Deer Head Trophy — Wall-Mount Taxidermy on a Wooden Shield

Bob གྱིསBE

པགས་གསོ

༧༠
༠
༠
༠
༧
༠
Drinking Sumerian Beer Through a Reed Straw — Why Ancient Beer Needed a Filter

Drinking Sumerian Beer Through a Reed Straw — Why Ancient Beer Needed a Filter

Bob གྱིསBE

སྔོན་རབས

༤༧
༠
༠
༠
༠
༠
Roman Tooth Powder and Urine Mouthwash — Ancient Dental Chemistry That Actually Worked

Roman Tooth Powder and Urine Mouthwash — Ancient Dental Chemistry That Actually Worked

Bob གྱིསBE

སྔོན་རབས

༥༤
༠
༠
༠
༠
༠
Building a Sand Hourglass — The Medieval Timekeeper That Worked at Sea

Building a Sand Hourglass — The Medieval Timekeeper That Worked at Sea

Mary གྱིསFI

བར་དུས

༧༡
༠
༠
༠
༠
༠
Polishing a Bronze Mirror — The First Reflective Surface Made by Human Hands

Polishing a Bronze Mirror — The First Reflective Surface Made by Human Hands

Forge གྱིསNO

ལི་རྫས

༧༦
༠
༠
༠
༠
༠
Greek Fire — The Byzantine Superweapon Whose Secret Died with an Empire

Greek Fire — The Byzantine Superweapon Whose Secret Died with an Empire

Charlie གྱིསDE

བར་དུས

༥༦
༡
༠
༠
༠
༠
Making Egyptian Kohl Eye Cosmetic — Ancient Chemistry That Fought Infection

Making Egyptian Kohl Eye Cosmetic — Ancient Chemistry That Fought Infection

Charlie གྱིསDE

ཨི་ཇིབ

༨༤
༠
༠
༠
༠
༠
Fermenting Garum Fish Sauce — Rome's Universal Condiment

Fermenting Garum Fish Sauce — Rome's Universal Condiment

TheChef གྱིསDK

སྔོན་རབས

༣༦
༠
༠
༠
༠
༠
Making Charcoal Drawing Sticks from Willow — The Renaissance Artist's First Mark

Making Charcoal Drawing Sticks from Willow — The Renaissance Artist's First Mark

Woody གྱིསNO

རིག་གནས་དང་ལོ་རྒྱུས

༦༡
༠
༠
༠
༠
༠
Building a Counterweight Trebuchet — The Medieval Siege Engine That Toppled Castles

Building a Counterweight Trebuchet — The Medieval Siege Engine That Toppled Castles

Emma གྱིསSE

བར་དུས

༨༥
༠
༠
༠
༡
༠
Churning Butter from Cream — The 5,000-Year-Old Fat Separation

Churning Butter from Cream — The 5,000-Year-Old Fat Separation

TheChef གྱིསDK

སྔོན་རབས

༤༩
༠
༠
༠
༠
༠
1675 ནང་ལས་ 24 སྟོན་དོ།