It all goes downhill for Bethan, Jack’s left feeling queasy about seasickness prevention and Neil wants a boaterhome.

Selected patents:

KR101967294B1 – Leisure boat having a slide

US802527A – Device for preventing seasickness

US833633A – Device for preventing seasickness on ships, &c.

US577269A – Bicycle-boat

US9389A – Steering submarine vessels

US3815541A – Houseboat powered by smaller boat

US10343754B1 – Oscillating fin propulsion apparatus

US227491A – Sculling-propeller for boats