This steam soil steriliser was invented and patented by P F Dorey in 1911 and built by John Leale. Tomatoes were brought to Europe around 1500 but were initially thought to be poisonous.

My dad even inherited my grandfather's professional soil sterilizer, a contraption that ran steam though the soil so that there would always be an ample supply at hand. For years, as you can ...

The first three of these leaflets have already appeared and deal respectively with the John Innes composts, soil sterilization for pot plants and the John Innes soil sterilizer.

This steam soil steriliser was invented and patented by P F Dorey in 1911 and built by John Leale. Tomatoes were brought to Europe around 1500 but were initially thought to be poisonous.