This is an example of the first variation of the Optimus 200. It came directly after the 821 and was most likely introduced in 1931. Many features were the same or similar to the 821. Features to note are: One piece vapouriser and excenter block Filler cap with high wings Inner top screwed together with the outer top Pump knob diameter is approximately 25mm Top hat has a rolled edge Redish fibre wheel
