Details
Mecophone and Revo:
a circular crystal receiver, 5XX, on turned wood base with BBC transfer; and a Revo Little Gem circular crystal set with turned elm panel, coil round circumference and BBC transfer (base cover replaced) (2)
a circular crystal receiver, 5XX, on turned wood base with BBC transfer; and a Revo Little Gem circular crystal set with turned elm panel, coil round circumference and BBC transfer (base cover replaced) (2)