Grid 1550 and 1530, both 386 base systems

The Grid 1550 that I use for word prosing, the 1550 has three com ports( one for the internal mouse ) 8 megs of ram and a 386/25 Mhz cpu, and a huge 170 meg IDE drive. great system for running Windows 3.1  I have a 400Mhz P2 on the desk but when it comes down to writing letters still prefer working with this

The 1530 is a 386/12.5 Mhz system, 8 megs of ram, and only one com port, they use a 40 or 60 meg internal hard drive and a 1.4 meg floppy. They were great DOS systems but not built for windows. 

The Gridcase 3, a 8086 system with 640k of ram, and a 720k floppy drive. This is a tempest one ( with amber display ) that I use to run a terminal program

The outside of a Grid, kind of gives you a idea of what the case is like, they are primitive , slow and heavy. altogether  I have about a dozen that I keep going, and a gauge full of parts.

This is a shipboard "compass" system, the great granddaddy  of the laptop. its AC power only and has the strange habit of using bubble memory instead of a hard or floppy drive, the floppy when used connected to a external port on the back.

Although this system was programmed back around 1980, it still reads its operating system and program from the bubble memory and tries to communicate with its friend, a AN/YUK-20, hard to believe that the bubbles last that long!

A 1520/30 advertisement from the 1989 Defense Science Journal.

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Oct 03