. "103407865"^^ . . . . . "a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring"@en-us . . "03407865-n"^^ . "0"^^ . "103283224"@en-us . "fusee drive"@en-us . "0"^^ . . . . . "fusee"@en-us . "fusee drive"^^ . .