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

དེང་རབས

བིལུ་པིརིན་ཊི ༩༤ ཡོད

བིལུ་པིརིན་ཊི (༩༤)

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Bombur གྱིསUS

དེང་རབས

༢༦
Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Thrawn གྱིསUS

དེང་རབས

༣༡
Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Glorfindel གྱིསUS

དེང་རབས

༣༡
Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Gloin གྱིསUS

དེང་རབས

༢༧
Making Friction Matches — Fire on the Strike of a Stick
ཉེན་ཁ་ཅན།

Making Friction Matches — Fire on the Strike of a Stick

Vader གྱིསUS

དེང་རབས

༢༤
Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury
ཉེན་ཁ་ཅན།

Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury

Legolas གྱིསUS

པར་ལེན

༢༥
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Dwalin གྱིསUS

དེང་རབས

༣༢
Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Tarkin གྱིསUS

དེང་རབས

༢༡
Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Galadriel གྱིསUS

དེང་རབས

༣༡
Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Balin གྱིསUS

དེང་རབས

༣༥
Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Palpatine གྱིསUS

དེང་རབས

༢༨
Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Elrond གྱིསUS

དེང་རབས

༣༣
Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution
ཉེན་ཁ་ཅན།

Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

Gimli གྱིསUS

དེང་རབས

༣༦
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

༢༩
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

༢༦
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

༦༠
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

༥༤
Making Deer Antler Buttons — Cross-Section Slices with Sewing Holes

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

Woody གྱིསNO

ཤིང་བཟོ

༦༢
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

༦༦
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

༤༦