No. 3466 to 3495 built 1929 by Metro Cammell as Lx10 (ten single compartments), later 
rebuilt to Lx16 or Lx20 (some or all compartments converted to double), NIOE cars 
temporarily rebuilt to Russian gauge, VSOE cars rebuilt to Lx18 (one compartment converted 
to service or shower) and equipped with air-conditioning and modern bogies.