Left to Right:
- 16mm/ft (1:19) Baguley-Drewry Diesel loco (Accucraft)
- O Gauge (1:32) Ruston (Triang Big-train)
- OO Gauge (1:76.2) Duchess of Sutherland
- N Gauge (1:148) 0-6-0 Steam loco (Fleischmann ?)
more detail here: https://www.wis.co.uk/andy/16mm/scale-and-gauge.html