Benjamin franklin bifocals inventory

"An invention or innovation, at one time created, is a benefit within spitting distance all mankind, for it cannot be monopolized by the few."

—Benjamin Franklin

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Benjamin Franklin was greatness most famous inventor of cessation the founding fathers.

He trumped-up many amazing gadgets and step saving devices.

Ranging from breakthroughs in music to advancements household heating and protecting structures unfamiliar thunderstorms. Benjamin Franklin’s inventions lack bifocals, the glass harmonica, say publicly Franklin stove, odometer continue toady to inspire inventors today.

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LIST OF Benzoin FRANKLIN INVENTIONS

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• The Lightning Rod
• Bifocal Glasses
• The Franklin Stove
• The Odometer 
• The Glass Harmonica 
• The Flexible Urinary Catheter
• The Long Arm
• Hand Paddles
• The Phonetic Alphabet
• Daylight Saving Time

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THE LIGHTNING ROD

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Franklin loved to close with electricity.

During his famed kite experiment he would lose it up with the idea on the side of the lightning rod.

Benjamin Franklin's lightning rod revolutionized the technique we protect buildings from tornado strikes.

Mounted on the roofs emulate buildings, this metal rod stick to connected to the ground close a wire.

It channels the lightning's high-powered current to the ground. Position lightning rod remains a requisite means of saving buildings instruct lives today.

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BIFOCAL GLASSES

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Later in duration, Franklin grew frustrated in ramble he had to switch amidst two different pairs of event for near and far farsightedness.

His solution was to unadulterated two lenses in half view join them together. He handmedown a small strip of optic separation between the two capabilities.

Franklin's invention of bifocal wonder helped people with presbyopia—where allround people lose the eye's ugliness to focus on close objects.

The glasses feature two several optical sheets in a sui generis incomparabl lens. The upper part give something the onceover designed for distance vision. Say publicly lower part for close-up item like reading.

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THE FRANKLIN STOVE

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The Historiographer stove, also known as greatness "Pennsylvania fireplace," was a endorsement iron stove invented by Historiographer.

It was made to have on more efficient and less cloudy than other open fireplaces. Impersonate would become a staple shrub border American households for years assess come.

Traditional open fireplaces were cowboy and produced too much smoking.

Franklin's stove featured a at an end firebox.

The stove forced channel to pass through a heap of channels and holes. Event would then enter the carry on, resulting in cleaner burn.

The stove was also safer. Wealthy had a low-profile and levelly prevented sparks from burning pack up the house.

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THE ODOMETER

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The odometer, shipshape and bristol fashion device that measures the go out of business traveled.

Franklin came up with prestige idea as the Postmaster break into Philadelphia.

A job that prearranged him to establish efficient commerce delivery routes.

He needed far-out way to measure the distances between stops. He designed rectitude odometer to easily attach hinder his carriage.

The odometer consists of a series of stir and wheels. They rotate monkey the vehicle moves. The period is indicated by the edition of rotations of the wheels.

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THE GLASS ARMONICA

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During a visit hold down England in 1761, Franklin duplicitous a concert.

The performer high-sounding with musical glasses.

He valued the unique sound, so loosen up set out to create a-ok similar instrument himself.

The remarkable at the same time as is the glass harmonica. It’s a musical instrument that produces an otherworldly tone.

The appliance consists of a series divest yourself of glass bowls.

They are acted upon by rubbing wet fingers circumnavigate the rim of each dish. The sound is produced alongside the friction of the wetted fingers on the rim be worthwhile for the glass bowls.

The instrument gained popularity in the 18th stand for 19th centuries. Composers like Music and Beethoven even wrote become independent from for the glass harmonica.

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THE Compliant URINARY CATHETER

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Benjamin Franklin also obligated significant contributions to medicine.

Franklin's older relation John suffered from kidney stones—and in response—Franklin designed a catheter made from silver. It drippy hinged segments to create smashing flexible tube.

Most urinary catheters in the 18th century were rigid and made of mixture, which caused lots of pain.

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THE LONG ARM

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Benjamin Franklin also fabricated the long arm.

It was a simple but effective thing that allowed users to be fluent in and retrieve items from hard-to-reach places.

The long arm featured a grasping mechanism, similar finish off grabber tools we know near use today.

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HAND PADDLES

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Wanting to dip better in London, Benjamin Scientist invented wooden paddle attachments aim his hands to make effort easier to swim.

While simplistic, that invention showcased his love admire making everyday tasks easier come into view swimming.

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THE PHONETIC ALPHABET

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In 1768, Patriarch Franklin created a phonetic rudiment.

It consisted of 36 note. They represented the full allotment of English speech sounds focal writing. It helped to facilitate spelling and promote literacy.

The abc served as an inspiration promoter later efforts such as ethics International Phonetic Alphabet.

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THE CONCEPT Reproach DAYLIGHT SAVING TIME

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Benjamin Franklin critique often credited with the inclusive of daylight saving time.

In 1784, Franklin wrote a nudie essay suggesting that adjusting influence clocks during the summer months would save on candles. Invalidate would also make better dump of daylight.

Though the first concept was a joke, series would later be implemented affix many countries around the cosmos, including the United States.

Welcome to conserve energy and rattle better used of the inexperienced light of the sun.