LKB pen recorder type 6520-6, from The Laboratory of Dr.E. Tuddenham's factor VIII research group at The Royal Free Hospital, by LKB Produkter AB, S-161 26 Bromma, Sweden, 1975-1985.
LKB pen recorder type 6520-6, from The Laboratory of Dr.E. Tuddenham's factor VIII research group at The Royal Free Hospital, by LKB Produkter AB, S-161 26 Bromma, Sweden, 1975-1985.