ROCHESTER, MN (CNN) -- A rare collection of common contraptions were on display in Minnesota this weekend as the city of Rochester hosted the annual convention of the Toaster Collectors Association.

Collectors who research, conserve and restore toast-making devices flocked from around the country to see rare and outdated models. For many, toasters serve up more than a slice of crispy bread; they provide a slice of history and nostalgia.

One toast enthusiast proudly said he and his wife still use the "toastmaster" they got as a wedding present 54 years ago.

The collection was open to the public over the weekend.

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