Title
RAMAC model 350 head
Catalog Number
102715952
Type
Physical object
Description
RAMAC model 350 1956-1960. 50 disks, 24 inch diameter, 2 heads, 5 MByte, 600 ms access, 1200 rpm, 8.8 KByte/sec, 100 bits/inch, 20 tracks/inch, 800 u-inch fly height, 1200 u-inch media thickness, 1000 u-inch gap, EP bearing, laminated head. Ferrite drum head.
Date
1956
Manufacturer
IBM Corporation
Place Manufactured
U.S.
Dimensions
overall: 1/8 in x 3 in x 1 in; overall: 1/2 in x 1 1/2 in x 1/2 in
Category
Memory/disk
Credit
Gift of G. Fred Grometer