Sistem no frost akan membuat bunga es sulit terbentuk sehingga kulkas tak perlu terlalu sering dibersihkan.He bred the birds for greater than 4 decades - finding his first 3 birds from a man he went to arrest for failing to pay a good in 1969 when he was during the police.His progress resumed in 1976. Indoors, he set his European record of twenty.9