Manufacturer: BROTHER
Model: 408AZ
AKA: PROCAL 408AZ
Year: 1976
Display: VCF (8+1)
Circuits:  
Dimensions: 146x85x21mm
Power type: 6V-4xAA
Origin: Japan
S/N: H5057573
Owner: DEVIDTS Serge
Info: Stange yellow housing.
There's another version, having a white housing.