1930s Vintage Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm

This amazing looking piece of electrical history is a 1930s White Porcelain 9cm (3 1/2 inch) Length and 5cm (2") Wide Width Double Pole Double Throw (DPDT) Aerial Knife Switch.

Model number BN 1004. 10A/250V

B within a triangle makers mark

Made in Germany.

There are a few scuffs and surface blemishes but it's in good condition for its age.

Approximate Size

• Base Length: 9cm 
• Height with switch horizontal: 3.5 cm
• Base Width: 5 cm

A lovely item for collectors of electrical devices or steampunk!

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