411 REFERENCE · Wiktionary
Johannison block
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en misspelling
en Johansson block.
1951, Isaac Asimov, Foundation (1974 Panther Books Ltd publication), part V: “The Merchant Princes”, chapter 8, page 154, ¶¶ 4–5
Mallow stood them upright and shaved the ends off with a single stroke of the shear, and then joined the pipes, fresh cut to fresh cut. [¶] And there was a single pipe! The new ends, with even atomic irregularities missing, formed one piece upon joining. Johannison blocks, at a stroke.