Science, asked by thsiighinvetsang, 2 months ago

who and when was safety pin
invented ?

short answer

please

Answers

Answered by sameerfaruki7232

0

I know only that the safety pin is discovered by mistake

Answered by jayajesus

1

Answer:

Walter hunt invented in 1849 .....

Previous Question

Next Question

Similar questions

Math, 1 month ago

If x+1/x=5 then x square + 1/x square...

Math, 1 month ago

A tree is broken at a height of 5 m from the ground and its body touches the ground at a distance of 12 m from the base of the tree. Find the original height of the tree. Answer only if you know...

Political Science, 1 month ago

विकास शब्द अपने व्यापक अर्थ में किन बातों को प्रकट करता है...

Math, 2 months ago

An isosceles triangle has a perimeter 30cm and each of the equal side is 12 cm . Find the area of the triangle...

Environmental Sciences, 2 months ago

What is the colour of the seed of a Jackfruit tree?

English, 8 months ago

Imagine that you are Subhash living in Mumbai. Write a letter to your friend Alok telling him how you celebrated your birthday.

Math, 8 months ago

if the radius of a cylinder is doubled keeping its lateral surface area the same then what is its height...

Math, 8 months ago

A solid cone mounted on a hemisphere in such a way that the centre of base of cone just coincide with centre of the base of hemisphere. Slant height of the cone is l and radius of base of cone is 1/2r, where r is the radius of hemisphere. Prove that surface area of solid is Π/4(11r+2l)r sq units.