en.wikipedia.org/wiki/Otis_Worldwide#History
In 1925, the world’s first fully automatic elevator, Collective Control, was introduced. In 1931, the company installed the world’s first double-deck elevator at 70 Pine Street in New York City.[11][12]
End of an era.
HobbitFoot@thelemmy.club 5 days ago
They are still a union protected job on construction sites and the docks in NYC.