This erector approaches closely the faculties of the human arm.
If he erected the Memorial, he should have been described as "The Erector."
Here, for the first time, an “erector arm” was used for placing the segments, which weighed about half a ton.
William Murdock, at this time a Boulton and Watt erector, may have suggested this arrangement.
The erector consisted of a box-shaped ...