Which are the longest

Growing up, I spent years traipsing around electrical shops, hearing about the ins and outs of repairs, spares and new technology from my father, an appliance repairman for more than three decades. I grumbled at the time, but now electronics has become a topic I find strangely engrossing.

While asking around for intel on long-lasting appliances and tech, certain brands consistently popped up. The television presenter Dr Xand van Tulleken tells me, "I bought my Ultimate Ears Boom speaker in 2013. Seems mad to have made such a durable product. I take it everywhere and treat it terribly and it's still going strong," while the freelance series producer Gaby Koppel has a Moulinex coffee grinder that has lasted for 35 years. Several friends and colleagues