Title
CDC 1607 magnetic tape systemCatalog Number
102733066Type
Physical objectDescription
Object is a cabinet containing four magnetic tape drives. The drives are numbered 1 to 4 from left to right. Each drive has drive spindles top and bottom with a head assembly in the middle. Vacuum columns are behind glass panels to the left and right of the head. Behind each drive is a large cabinet with many small circuit modules. Below each drive is a power supply unit with three transformers and eight vacuum tube sockets.Drive #1: A short scrap of tape is caught in the head assembly.
Drive #2: A full tape reel is mounted on top, and the tape is threaded through to the take-up reel on the bottom.
Drive #3 has a short piece of tape wrapped around the take-up reel.
Drive #4 has a longer scrap of tape threaded through the head onto the take-up reel.
On the back of each power supply is a foil Ampex label with a serial number and catalog number.
On the back of each power supply people left notes on maintenance performed with dates.
Back of supply #1: "Diodes Checked 2/27/70" and "New Tube 12/13/69."
Back of supply #3: "new tube 5/6/69," "diodes checked 1/23/70," "new overload relay 12/3/70."
Back of supply #4: "new relay 4/27/71"
Date
ca 1969Manufacturer
Control Data Corporation (CDC)Identifying Numbers
| Model number | 1607 | Label front top left. |
| Serial number | 173 | Label back of power supply 3. |
| Serial number | 193 | Label back of power supply 1 (left). |
| Serial number | 362 | Label back of power supply 4 (right). |
| Serial number | 404 | Label back of power supply 2. |