Baby Crystal Set Receiver
Introduced in 1923, The Marconiphone Baby Receiver was moulded in ebonite and featured a vertically mounted crystal and cats whisker detector. Tuning was performed by sliding the pointer that moved a swinging slide coil inside. The BBC stamp is moulded into the ebonite panel.
A slightly different version of this model, known as The Universal Baby, feautured a loading coil and details can be found in the Marconiphone Receiving Instruments, Amplifiers, Components and Accessories Catalogue in the Literature section.