making phone calls
A rotary phone typically weighs around 5-7 pounds.
I think it was the rotary phone
The only thing I can think of is the word "rotary". There are rotary engines and old rotary phones that had dials....hope this helps.
It was called a "rotary dial".
yes!
There are many places an individual could purchase a retro corded phone with a rotary dial. A few of the more commonly used places are Amazon, Retro Planet and eBay.
Rotary is used to describe something that has the capability of rotation.
The rotary dial phone used a wheel to dial a sequence of numbers. It went into use as early as the 1890s to overcome the need for an operator to connect all calls. The rotary dial remained in use until the 1980s and beyond.. Even today, many telephone exchanges still support the rotary dial signalling.
A rotary system can be used to calibrate flowmeters. Unless you are refering to a rotary telephone system, in which that works differently.
spring type rotary compressor
Rotary and Induction
Rotary seals are mainly used for sealing lubricating oil or grease in standard rotary shaft applications. One can find more information on rotary seals from a variety of websites that offer information on specific tools.