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B9G valve holder

Bretwood valve holder

Ceramic valve holder for acorn type valves

Ceramic insulated 4 pin valve holder

W.B. 9-pin valve holder with carton

4 pin valve holder

Insulated valve holder

W.B. 5 pin valve holder with carton

W.B. 7 pin valve holder with carton

International octal valve holder

Parex Screened Grid Valve Holder for Type S Valves

5 pin valve holder, for mounting valve horizontal

B9A valve holder

Mazda octal valve holder

Side contact valve holder

Benjamin clearer tone anti-microphonic valveholder

1927

Aermonic valve holder model A

1927

Parex Screened Grid Valve Holder for type L valves

2 German valve holders

2 German valve holders

Pair of Parex valve holders for screened grid, double plugged valves, by Paroussi, .. London with original packing carton.

Pair of Parex valve holders for screened grid

Benjamin anti microphonic 4 pin valve holder with carton

Benjamin anti microphonic 4 pin valve holder

Lissen low capacity, low loss valve holder with original packing carton

Lissen low capacity, low loss valve holder

The Science Museum Group

Locomotion
Locomotion
National Railway Museum
National Railway Museum
National Science and Media Museum
National Science and Media Museum
Science and Industry Museum
Science and Industry Museum
Science and Innovation Park
Science and Innovation Park
Science Museum
Science Museum
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