This is an updated version of the earlier Type "E" model. It has a tapered rear-mount tone arm which was a new concept developed after the time of the earlier Monarch Junior.
"Circa 1907
The Alva is similar to the Triumph, but has an electric motor. It was initially priced at $85 but was never a big seller. It initially played 2-minute cylinders but was updated to play the 4-minute cylinders.