I've just bought a pepper and salt mill set.
These kitchen tools were designed by the 1919 founded British Cole & Mason company. America's Test Kitchen recently named the Derwent pepper mill as their all-time favorite pepper mill.
I just tried both the pepper and the salt grinders. These use an acrylic body to show what's left in them. Let me tell you that the pepper mill pours more uniform ground pepper than a Peugeot which I also have: