Since yesterday and a few hundred years before that.
No. Some are now made in South America
Same thing they are used for now- sport and defense
Some are now made in South America.
About 1,000 years now.
Shooting people. That's a misleading answer. At one time, the Tommy gun was popular among gangsters. Now days, it's uncommon for a machine gun to be used in a crime. Machine guns today are mostly used by target shooters and collectors.
Still a part of Guns N' Roses and touring.
Meriden used the Howard name of guns it made for Sears about 1905. They were fairly cheap guns then- and now. Value $25-80, depending on condition.
In the old days, they were made of flint. But now it's iron.;)
It is a silkscreen picture, made in several copies.
Gun powder is used in some small fireworks and it is also used in bullets for guns.
The air conditioning system was made to provide a cooling effect to those who were uncomfortable in the heat and humidity. Back in the days, it was used for the same purpose it is now used for.
In the old days hooves and tendons were used to make glues. Now most glues are made from chemical products.