Made from 10.5 mm thick brass blocks fitted on bakelite base with brass nuts & screws, superior.
1 way, 2 way, 3 way, 4 way

Made from 12mm thick brass blocks fitted on large size thick bakelite base, superior.

4 way circular with all brass nuts and screws, fitted on thick bakelite base, superior.

6 way circular.

With brass c.p. parts fitted on thick bakelite base

M.I.P. type with handle.

With terminals, on wooden base.

With silver contacts.

For self induction, on bakelite base.

Single contact, with brass C.P. points.