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ប្លង់Sciencesរូបវិទ្យា

រូបវិទ្យា

747 ប្លង់មាន • 15 ប្រភេទរង

ប្លង់ (747)

The Spring-Prong Looper: Two Springs That Take the Loop Off the Hook and Hold It Open for the Needle

The Spring-Prong Looper: Two Springs That Take the Loop Off the Hook and Hold It Open for the Needle

ដោយ TexFO

ការដេរ

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The Twisted-Shaft Needle Rocker: A Straight Push That Swings the Needle, Then Holds It Still

The Twisted-Shaft Needle Rocker: A Straight Push That Swings the Needle, Then Holds It Still

ដោយ MartinNO

មេកានិក

11
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The Pendulous-Weight Letter Scale: A Steelyard With a Straight Arm, a Weight Below to Keep the Plate Level

The Pendulous-Weight Letter Scale: A Steelyard With a Straight Arm, a Weight Below to Keep the Plate Level

ដោយ MarkFI

សិប្បកម្មក្រដាស

6
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The Spring-Wedge Bootjack: Press the Wedge and the Platform Clamps the Heel

The Spring-Wedge Bootjack: Press the Wedge and the Platform Clamps the Heel

ដោយ WoodyNO

ការធ្វើការឈើ

9
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The Latch-Hook Chain Stitcher: A Hook Needle From Below, Its Latch Closed by the Cloth

The Latch-Hook Chain Stitcher: A Hook Needle From Below, Its Latch Closed by the Cloth

ដោយ EmmaSE

ការដេរ

15
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The Needle Brace Bar: A Sliding Bar That Holds the Needle Near the Cloth While It Feeds

The Needle Brace Bar: A Sliding Bar That Holds the Needle Near the Cloth While It Feeds

ដោយ TexFO

ការដេរ

9
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The Self-Winding Garden Line: A Spring and Pinion Reel the Line Back, and It Can Chalk Itself

The Self-Winding Garden Line: A Spring and Pinion Reel the Line Back, and It Can Chalk Itself

ដោយ KarenSE

វិទ្យាសាស្ត្រដំណាំ

12
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The Spring Grapple: Tong-Shaped Spring, Talon Hooks and a Set Joint That Snaps Shut on Touch

The Spring Grapple: Tong-Shaped Spring, Talon Hooks and a Set Joint That Snaps Shut on Touch

ដោយ ForgeNO

ការធ្វើការលោហៈ

12
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The Loop-Spring Clothes-Pin: A Sugar-Tong Spring and Metal Pivots in Two Wooden Arms

The Loop-Spring Clothes-Pin: A Sugar-Tong Spring and Metal Pivots in Two Wooden Arms

ដោយ WoodyNO

ការធ្វើការឈើ

14
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The Stationary-Hook Chain Stitcher: A Vibrating Needle Lays Its Loop Over a Fixed Hook

The Stationary-Hook Chain Stitcher: A Vibrating Needle Lays Its Loop Over a Fixed Hook

ដោយ TexFO

ការដេរ

14
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The Toggle-Lever Lemon Squeezer: Cutters, a Hood and a Jaw That Presses Harder as It Closes

The Toggle-Lever Lemon Squeezer: Cutters, a Hood and a Jaw That Presses Harder as It Closes

ដោយ EmmaSE

មេកានិក

10
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The Cam-Lever Lemon Squeezer: A Cam on a Shaft Presses the Plunger, Springs Lift It

The Cam-Lever Lemon Squeezer: A Cam on a Shaft Presses the Plunger, Springs Lift It

ដោយ MartinNO

មេកានិក

17
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The Inclined-Knife Lemon Squeezer: Put In a Whole Lemon, Cut and Press in One Stroke

The Inclined-Knife Lemon Squeezer: Put In a Whole Lemon, Cut and Press in One Stroke

ដោយ PennyDK

ភេសជ្ជៈ

16
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The Shovel and Tongs: One Handle, a Sliding Arm, Two Tools

The Shovel and Tongs: One Handle, a Sliding Arm, Two Tools

ដោយ YourGrandmaIS

ការធ្វើការលោហៈ

13
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The Forked Fire Tongs: Curved Prongs for Coal, and Stops That Keep Them From Crossing

The Forked Fire Tongs: Curved Prongs for Coal, and Stops That Keep Them From Crossing

ដោយ ForgeNO

ការធ្វើការលោហៈ

16
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The Sponge-Filter Inkstand: Press the Funnel and Clean Ink Rises Round the Pen

The Sponge-Filter Inkstand: Press the Funnel and Clean Ink Rises Round the Pen

ដោយ YourGrandmaIS

សិប្បកម្មក្រដាស

10
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The Inclined-Valve Inkstand: A Glass Clapper That the Pen Pushes Open

The Inclined-Valve Inkstand: A Glass Clapper That the Pen Pushes Open

ដោយ CharlieDE

សិប្បកម្មក្រដាស

12
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The Fountain-Sheath Pen: A Reservoir Clipped to the Nib, for Writing on Ground Glass

The Fountain-Sheath Pen: A Reservoir Clipped to the Nib, for Writing on Ground Glass

ដោយ MaryFI

សិប្បកម្មក្រដាស

10
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The Rod-and-Eye Stopper: Pull the Eye and the Plate Beneath Pushes the Cork Out Whole

The Rod-and-Eye Stopper: Pull the Eye and the Plate Beneath Pushes the Cork Out Whole

ដោយ CharlieDE

ភេសជ្ជៈ

7
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The Cork-Lined Screw Cap: A Rigid Cap Whose Lining Takes the Shape of the Thread

The Cork-Lined Screw Cap: A Rigid Cap Whose Lining Takes the Shape of the Thread

ដោយ MaryFI

ភេសជ្ជៈ

7
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The Twisted-Rod Push Corkscrew: Press the Handle and a Twisted Stem Spins the Screw In

The Twisted-Rod Push Corkscrew: Press the Handle and a Twisted Stem Spins the Screw In

ដោយ MartinNO

មេកានិក

13
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The Wire-Cutter Corkscrew: Shear the Wire, Drive the Screw, and the Same Turn Draws the Cork

The Wire-Cutter Corkscrew: Shear the Wire, Drive the Screw, and the Same Turn Draws the Cork

ដោយ ForgeNO

ការធ្វើការលោហៈ

13
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The Pull-String Champagne Fastening: One Pull Lifts the Wire and Frees the Cork

The Pull-String Champagne Fastening: One Pull Lifts the Wire and Frees the Cork

ដោយ TheChefDK

ភេសជ្ជៈ

5
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The Push-In Spinning Corkscrew: A Steep Twist That Turns Itself Into the Cork

The Push-In Spinning Corkscrew: A Steep Twist That Turns Itself Into the Cork

ដោយ EmmaSE

មេកានិក

14
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បង្ហាញ 24 ក្នុងចំណោម 747