They evolved in the 1970's .
I don't believe slate was ever used for interior walls. It was, and still is often used as roofing. - Forms of plaster wall coverings or drywall boards made from gyproc have been in use from about 1895.
drywall replace plaster on 1945
around 1500 maybe before
Edward Nairne first developed the the eraser and it was widely used. However, these rubbers used to go bad after a certain length of time. Hymen Lipman received the first patent for attaching a rubber to the end of a pencil.
in 1884 when the cows attacked in 1884 when the cows attacked
The most commonly used are #6.
Yes, that is exactly their purpose.
You can use drywall nails (ridged) or drywall screws. I am not a drywaller, but have done lots of it and prefer the screws.
Drywall as we know it was first used around 1900.
You can use drywall nails or drywall screws. I prefer the screws.
Commonly #6 gauge.
About 4 grams.
20
Sheet rock mud.
Metal drywall screws are usually fit with a small plastic pre-grooved sheath which taps the screw into the drywall and wooden beam behind it. This results in a clean and secure penetration of the wood for each screw.
No, they are adequate for many uses.
I use about 28-30 for that.