Archived posting to the Leica Users Group, 2007/03/18

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Subject: [Leica] Re:SD cards in M8
From: jsmith342 at (Jeffery Smith)
Date: Sun Mar 18 13:47:56 2007

I used Visicalc, XyWrite, and WordStar. 

Jeffery Smith
New Orleans, LA

-----Original Message-----
[] On Behalf Of Jim
Sent: Sunday, March 18, 2007 4:42 PM
To: Leica Users Group
Subject: Re: [Leica] Re:SD cards in M8


I never used Visicalc, though I have heard of it.  I became very familiar 
with Lotus 1-2-3, because our company management adopted it for use in 
balancing workload and personnel.  I now use Excel, but didn't make the 
change until I retired.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Luis Ripoll" <>
To: "'Leica Users Group'" <>
Sent: Sunday, March 18, 2007 1:52 PM
Subject: RE: [Leica] Re:SD cards in M8

> Jim,
> This sound me familial too, the first computer I've work was an HP1000
> with
> same characteristics of your PDP, the hard disc was 20 MB! And my first
> personal computer was a small HP (maybe HP120...?) with the diskettes of
> 3,5", IBM was not yet announced (I think) the PC, my worsheet was 
> "Visicalc"
> a very ancient predecessor of the Excel.
> Saludos desde Barcelona
> Luis
> -----Mensaje original-----
> De:
> [] En 
> nombre
> de
> Jim Nichols
> Enviado el: domingo, 18 de marzo de 2007 18:19
> Para: Leica Users Group
> Asunto: Re: [Leica] Re:SD cards in M8
> Adam,
> You revive old recollections.  Though I was not computer-oriented, I 
> had some brilliant techies working for me.  Our first attempt at wind 
> tunnel control improvements was to provide test environment displays 
> in true engineering units, rather than as instrument readouts.  We 
> utilized a surplus DEC PDP-8, loading the programs with punched paper 
> tape. After proving the concept, we went on to DEC PDP-11s and 
> eventually a VAX. This led to computerized control of selected plant 
> valves in order to hold testing conditions within tight tolerances 
> during the data-taking process.
> The first computer that I actually utilized personally was made by 
> Xerox
> and
> utilized two 8-INCH floppy drives, one for the operating system and one 
> for
> the application and data.  Those were the days!
> Jim Nichols
> Tullahoma, TN USA
> ----- Original Message -----
> From: "Adam Bridge" <>
> To: "Leica Users Group" <>
> Sent: Sunday, March 18, 2007 11:57 AM
> Subject: Re: [Leica] Re:SD cards in M8
>> My first "real" computer was a DEC PDP-11/23. It had 64K(!) of RAM 
>> and a huge, I say HUGE, as in VAST 5 MB hard drive. Of course the 
>> entire operating system footprint was 4 KB, 8 KB if I elected to use 
>> the non-overlayed version. Later we had the PDP-11/70 on a chip (the 
>> J11 I think it was called) and it address 4MB of RAM that cost at 
>> least $4k.
>> Today even small drivers take 4k and just the space lost in 
>> formatting a typical hard drive totals more than the entire disk 
>> capacity I owned in the first 10, no make it 15, years of computing.
>> I wish I had kept the VAXstation I had which was a wonderful machine 
>> with a rock-solid OS (VAX/VMS). Ah well . . . the good ol' days.
>> Adam
>> _______________________________________________
>> Leica Users Group.
>> See for more information
> _______________________________________________
> Leica Users Group.
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In reply to: Message from jhnichols at (Jim Nichols) ([Leica] Re:SD cards in M8)