PSB 'Lightbulbs 1879-1948' Tea Towel $20.77 Sold Out New tour, new tea towel! 'Lightbulbs 1879-1948' is the fourth in our tea towel series following on from our 'Coalfields of the UK', 'Shipping Forecast' and 'Know Your Rockets' releases. Happy drying from all at PSB Towers. Share Tweet Embed