Dictionary entry on the washing machine from Knight's American Mechanical Dictionary, classifying domestic and industrial washing machines by action: churning, dash-wheel, sluicing, centrifugal, twisting, squeezing, rolling, rubbing and rocking. It describes numbered engraved figures (7049-7066), including an Indian washermen scene, bleachery and dyer's machines such as Bridson's, and wool-washing machines. It closes with short entries on the washing-shield and the metallurgical washing-table.