The origin of the word doll/dolly is unknown according to the Oxford English Dictionary, and various movie term dictionaries had no explanation either.
A Dolly
A dolly is a small wheeled cart, sort of like a wagon, that rides on rails like a train would. The camera and the cameraman and director ride on the dolly during filming so they can smoothly follow the actors as they move. The person who pushes the dolly along is called the dolly grip.
dolly
Dolly
A dolly drip pushes or pulls the dolly along a predetirmined track for a smooth shot. A dolly is nothing more than a cart on a track with a camera mounted to it.
A tripod with wheels is called a tripod dolly.
easiest thing to run on is PVC pipe. smooth ride, and isn't limited by the width of the dolly wheels.
Dolly Parton does not have any children.
It is a portmanteau. Doorman's Trolley = Dolly
False
There are many websites talking about camera dollies and offering free tutorials. Also, there are videos on Youtube showing how to build a camera dolly.
Dolly's lambs were called: Bonnie, Sally & Rosie (who were twins), Lucy, Darcy & Cotton (who were triplets)