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1930s Vintage Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x – Mullard Antiques and Collectibles
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1930s Vintage Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x – Mullard Antiques and Collectibles
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Eisco Labs Electrical Knife Switch - Double Pole & Double Throw | Plastic Base | Brass Poles and Knives | Ideal for Student Experiments | DPDT Electric Connection Testing : Amazon.co.uk: Business, Industry & Science
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Knife Switch DPDT – Double Pole Double Throw Knife Switch (Capacity : 15A)used for experimentation DC is fitted on an open backelite sheet with 2 fuses & 6 terminals & shoes :
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DPDT Switch Knife Switch Single Pole Single Throw for Physical Electricity Experiment Kit : Amazon.co.uk: DIY & Tools
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Uadme Disconnect Knife Switch 63A 2 Pole Double Throw DPDT Knife Safety Disconnect Switch Flame Retardant Home Electrical Knife Switch Terminal Access Wiring Method Knife Switch : Amazon.co.uk: DIY & Tools
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Vintage Heliogen Porcelain Aerial Knife Switch Double Pole Double Thro – Mullard Antiques and Collectibles
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