1930s Vintage Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm
1930s Vintage Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm
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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!
Please click on the following link for more vintage technology.
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