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

སྲོག་རིག

བིལུ་པིརིན་ཊི ༡༢༨ ཡོད • ཡན་ལག་དབྱེ་རིམ ༣༨

བིལུ་པིརིན་ཊི (༡༢༨)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

Charlie གྱིསDE

Industry 2.0 — Electricity, Steel & Oil (1870)

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Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

Charlie གྱིསDE

རྩི་རིག

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Oyster Mushroom Grain Spawn: Boiled Wheat with Lime and Gypsum, 121 °C

Oyster Mushroom Grain Spawn: Boiled Wheat with Lime and Gypsum, 121 °C

Bob གྱིསBE

སྲོག་རིག

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Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

Bob གྱིསBE

སྲོག་རིག

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Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

Bob གྱིསBE

སྲོག་རིག

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Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

Bob གྱིསBE

ཕུང་རིག

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Cleaning and Degreasing Animal Bones

Cleaning and Degreasing Animal Bones

Bob གྱིསBE

སྲོག་རིག

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The Label-Anchored Plant Guard: A Folded Card Collar Pinned Down by the Plant's Own Label

The Label-Anchored Plant Guard: A Folded Card Collar Pinned Down by the Plant's Own Label

Bob གྱིསBE

ཟ་འབྲུ་རིག

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The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

Forge གྱིསNO

བྱ་རིག

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The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

Karen གྱིསSE

བྱ་རིག

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The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

YourGrandma གྱིསIS

བྱ་རིག

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The Glass Botanical Label: The Name Sealed Between Two Panes

The Glass Botanical Label: The Name Sealed Between Two Panes

Bob གྱིསBE

རྩི་རིག

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The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

Penny གྱིསDK

ཆུ་འཕྲུལ་རིག

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The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

Woody གྱིསNO

ཤིང་བཟོ

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The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

YourGrandma གྱིསIS

བྱ་རིག

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The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

Bob གྱིསBE

འབུ་རིག

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The Wire-Netting Fly-Killer: A Flap With Folded Corners

The Wire-Netting Fly-Killer: A Flap With Folded Corners

YourGrandma གྱིསIS

འབུ་རིག

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The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

Bob གྱིསBE

འབུ་རིག

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The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

Charlie གྱིསDE

རྫས

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The Cone Fly Trap: Up to the Light, Down Into the Water

The Cone Fly Trap: Up to the Light, Down Into the Water

Bob གྱིསBE

འབུ་རིག

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The Phenology Record: Writing Down When Things Happen

The Phenology Record: Writing Down When Things Happen

Bob གྱིསBE

ཁོར་ཡུག་རིག

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Building a Dichotomous Key

Building a Dichotomous Key

Paulice གྱིསUS

རྩི་རིག

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Measuring a Tree Without Felling It

Measuring a Tree Without Felling It

Karen གྱིསSE

རྩི་རིག

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Sampling Invertebrates: Pitfall Traps and the Beating Tray

Sampling Invertebrates: Pitfall Traps and the Beating Tray

Bob གྱིསBE

འབུ་རིག

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128 ནང་ལས་ 24 སྟོན་དོ།