'In 1738 Franz Ketterer created the first one of these clocks that chirp the time'
a cuckoo clock
ENDS IN OO: In 1738 Franz Ketterer created the first one of these clocks that chirp the time
In 1738 Franz Ketterer created the first one of these clocks that chirp the time
In 1738 Franz Ketterer created the first one of these clocks that chirp the time
ENDS IN "OO"
a cuckoo clock
ENDS IN "OO"