Large and heavy electric wheelhouse log repeater with bulkhead mounting and swing glass face cover. To be used in conjunction with the Excelsior Electric Log. Black scale with three registers. The large one up to 100 miles, two smaller up to 10 and 1000 miles. Patent 3336A. Serial number V 7501. For 24 volt

Catalog: NM.5-44
Date: 1935 – 1945
DH: 12.5×12.5 cm
Signed: Thos. Walker & Son Ltd, Birmingham, England
Origin: England
Condition: in very good condition, wear consistent with age and use