विज्ञान

The Steam-Guard Kettle: A Shield Between the Steam and the Hand

Martin द्वारा

ऊष्मागतिकी

The Soap-Cup Shaving Mug: Water and Soap in One Vessel

YourGrandma द्वारा

व्यक्तिगत हेरचाह

१९

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

Bob द्वारा

कीरा विज्ञान

६

The Tipping-Platform Rat Trap: A Disk That Rights Itself

Martin द्वारा

यान्त्रिकी

१५

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

YourGrandma द्वारा

कीरा विज्ञान

The Float Lamp Extinguisher: A Timer Made from Falling Oil

Penny द्वारा

तरल यान्त्रिकी

The Pocket Match-Safe: A Wick, a Striker and a Wind Guard

YourGrandma द्वारा

यान्त्रिकी

The Candle-Finishing Die: From Tapered Casting to True Cylinder

Charlie द्वारा

सामग्रीहरू

The Wire Raisin Seeder: Springy Wires Closer Than a Seed

YourGrandma द्वारा

खाना

The Spring Bottle Stopper: Let the Pressure Seal It

Charlie द्वारा

तरल यान्त्रिकी

The Folded-Steel Trowel: A V-Trough Blade From One Sheet

Emma द्वारा

इन्जिनियरिङ

५

The Strap-Socket Shovel: Let the Blade Carry the Handle

Forge द्वारा

धातु काम

The Standing Transplanter: Set Out Plants Without Stooping

Karen द्वारा

कृषि

११

The Balanced Yarn Reel: Geared Arms That Open Together

Penny द्वारा

यान्त्रिकी

The Twine-Balling Machine: Slow the Ball as It Grows

Emma द्वारा

इन्जिनियरिङ

The Stove-Side Drier: Frames That Fold Down Over the Heat

Emma द्वारा

ऊष्मागतिकी

The Ceiling-Post Rack: Hang the Wash Where the Air Is Warm

YourGrandma द्वारा

ऊष्मागतिकी

The Windlass Rotary Drier: Lower It to Load, Wind It Up to Dry

Penny द्वारा

यान्त्रिकी

The Locking Mop Clamp: A Spring and an Over-Centre Lever

Martin द्वारा

यान्त्रिकी

The Twin Scrubbing Brush: Two Heads on a Sprung Holder

YourGrandma द्वारा

यान्त्रिकी

The Spring-Jaw Seam Ripper: One Wire and an Oblique Blade

Penny द्वारा

कपडा र छाला

One Handle for Many Garden Tools: A Square Tenon and a Thumb Nut

Forge द्वारा

धातु काम

६

The Self-Clearing Rake: A Stripper Bar and a Rubber Band

YourGrandma द्वारा

कृषि