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

འཕྲུལ་རིག

བིལུ་པིརིན་ཊི ༢༥༦ ཡོད

བིལུ་པིརིན་ཊི (༢༥༦)

Industrial Air Compressor: a Converted Motorcycle Engine, Motor-Driven (Shop Notes, 1919)

Industrial Air Compressor: a Converted Motorcycle Engine, Motor-Driven (Shop Notes, 1919)

Emma གྱིསSE

འཕྲུལ་རིག

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Air Compressor: Twin Pump-Cylinder, Water-Cooled (Shop Notes, 1912)

Air Compressor: Twin Pump-Cylinder, Water-Cooled (Shop Notes, 1912)

Emma གྱིསSE

འཕྲུལ་རིག

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Combination Lock: a Five-Disc Drawer Lock (Boy Mechanic, 1915)

Combination Lock: a Five-Disc Drawer Lock (Boy Mechanic, 1915)

Forge གྱིསNO

འཕྲུལ་རིག

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Coil Spring: Small Springs Wound Through a Nut (Boy Mechanic, 1915)

Coil Spring: Small Springs Wound Through a Nut (Boy Mechanic, 1915)

Forge གྱིསNO

འཕྲུལ་རིག

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Magnetic-Field Press: Soft-Steel Punches as the Poles (Cochardt, US 3,412,461, 1968)

Magnetic-Field Press: Soft-Steel Punches as the Poles (Cochardt, US 3,412,461, 1968)

Emma གྱིསSE

འཕྲུལ་རིག

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Stamp Mill: California Five-Stamp Battery (Richards, Ore Dressing 1903)

Stamp Mill: California Five-Stamp Battery (Richards, Ore Dressing 1903)

Forge གྱིསNO

འཕྲུལ་རིག

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Jigsaw: Motor-Rocked C-Frame on a Leaf Spring (Heese, US 2,692,622, 1954)

Jigsaw: Motor-Rocked C-Frame on a Leaf Spring (Heese, US 2,692,622, 1954)

Woody གྱིསNO

འཕྲུལ་རིག

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Soldering Iron: Temperature Controlled by a Curie-Point Tip and a Magnet Switch (Weller, US 3,188,448, 1965)

Soldering Iron: Temperature Controlled by a Curie-Point Tip and a Magnet Switch (Weller, US 3,188,448, 1965)

Ed གྱིསFI

གློག་འཕྲུལ

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Hand Drill: Double-Acting Push Drill, Spiral Rod and Ratchet Bevel Gears (Olson, US 652,137, 1900)

Hand Drill: Double-Acting Push Drill, Spiral Rod and Ratchet Bevel Gears (Olson, US 652,137, 1900)

Forge གྱིསNO

འཕྲུལ་རིག

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Pressure Gas Cylinder: Seamless 4130X Steel to DOT 3AA (49 CFR 178.37)

Pressure Gas Cylinder: Seamless 4130X Steel to DOT 3AA (49 CFR 178.37)

Forge གྱིསNO

འཕྲུལ་རིག

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Dust Mask: Rigid Perforated Guard with a Replaceable Cloth Filter (Swindell, US 2,681,060, 1954)

Dust Mask: Rigid Perforated Guard with a Replaceable Cloth Filter (Swindell, US 2,681,060, 1954)

Emma གྱིསSE

འཕྲུལ་རིག

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Disc Pressing Die: Hardened Steel, the Bore Lapped Along the Stroke (Schumacher & Souden, 1944)

Disc Pressing Die: Hardened Steel, the Bore Lapped Along the Stroke (Schumacher & Souden, 1944)

Forge གྱིསNO

འཕྲུལ་རིག

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Iron Ball Mill: Grüson Drum with a Stepped Die Ring and Two Screens (Richards, 1903)

Iron Ball Mill: Grüson Drum with a Stepped Die Ring and Two Screens (Richards, 1903)

Forge གྱིསNO

འཕྲུལ་རིག

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Mechanical Kitchen Scale: Sheet-Metal Case, Guided Plate and Two Springs to a Dial (Hansen, 1939)

Mechanical Kitchen Scale: Sheet-Metal Case, Guided Plate and Two Springs to a Dial (Hansen, 1939)

Penny གྱིསDK

འཕྲུལ་རིག

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Platform Scale: Four Knife-Edge Hinges and Two Levers to a Steelyard (Fairbanks, 1831)

Platform Scale: Four Knife-Edge Hinges and Two Levers to a Steelyard (Fairbanks, 1831)

Mark གྱིསFI

འཕྲུལ་རིག

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Equal-Arm Balance on a Knife Edge, with a Set of Brass Weights

Equal-Arm Balance on a Knife Edge, with a Set of Brass Weights

Penny གྱིསDK

འཕྲུལ་རིག

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Spring Scale Calibrated with Known Weights

Spring Scale Calibrated with Known Weights

Penny གྱིསDK

དངོས་ཁམས་རིག

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Stationary-Wheel Dasher Churn: A Revolving Wheel Drives the Cream Through a Fixed Perforated One

Stationary-Wheel Dasher Churn: A Revolving Wheel Drives the Cream Through a Fixed Perforated One

Karen གྱིསSE

ཟས་དང་བཏུང་རྫས

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Two-Compartment Gate Churn: Paddles Drive the Cream Through a Slotted Gate Into an Open Side and Round Again

Two-Compartment Gate Churn: Paddles Drive the Cream Through a Slotted Gate Into an Open Side and Round Again

Buttercup གྱིསIE

ཟས་དང་བཏུང་རྫས

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Water-Dasher Adjustable-Rib Churn: A Hollow Dasher Holds Tempering Water, Ribs Weave the Surface

Water-Dasher Adjustable-Rib Churn: A Hollow Dasher Holds Tempering Water, Ribs Weave the Surface

Buttercup གྱིསIE

ཟས་དང་བཏུང་རྫས

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Swing-Valve Gambrel Box Churn: A Pendulum Frame of Swinging Beaters in a Tapering Box

Swing-Valve Gambrel Box Churn: A Pendulum Frame of Swinging Beaters in a Tapering Box

Tinny གྱིསUS

ཟས་དང་བཏུང་རྫས

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Two-Current Separator Rocking Churn: An Oval Cistern Split Round a Separator, the Currents Collide at Each Tip

Two-Current Separator Rocking Churn: An Oval Cistern Split Round a Separator, the Currents Collide at Each Tip

YourGrandma གྱིསIS

ཟས་དང་བཏུང་རྫས

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Tempered-Air Bellows Churn: Bellows Blow Air Past a Can of Water and Up Through the Cream

Tempered-Air Bellows Churn: Bellows Blow Air Past a Can of Water and Up Through the Cream

Buttercup གྱིསIE

ཟས་དང་བཏུང་རྫས

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Valved Air-Tube Dasher Churn: A Double-Acting Valve Lets Air Out of a Tube That Swings With the Dashers

Valved Air-Tube Dasher Churn: A Double-Acting Valve Lets Air Out of a Tube That Swings With the Dashers

Buttercup གྱིསIE

ཟས་དང་བཏུང་རྫས

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256 ནང་ལས་ 24 སྟོན་དོ།