Note 184 — Chapter VIII · ToC
Reading edition
The "steam-navvy" is, however, making digging a machine industry. Thirteen men with a machine-navvy can do the work of between 60 and 70 human navvies.
Reading edition
The "steam-navvy" is, however, making digging a machine industry. Thirteen men with a machine-navvy can do the work of between 60 and 70 human navvies.