[Herb Stoops]

I used one like that for several years BC ,(Before Computers) in the field. Laying out building sites and setting benchmarks and grid lines, and grades, and slopes to catch basins. Calculating quantities of fill and cubic yards of concrete etc. Also handy for calculating amount of forms and footing formed and poured per day while standing in a plan shack in the middle of the site,figuring lumber ordering and materials plus figuring manpower requirements to meet schedules.
Herb

 

[Herb Stoops]

seems like you never used it to it's full potential..

That is just some of the things I used it for besides the basic rafter ,stair, slopes, And when the Architect calls out on the plans for the rise on steps to be 7 11/13".
Herb

 

[Herb Stoops]

and laying out compound compounds and polygons and and and...

Your right, Stick, remember how we used to have to loft,or layout on the floor these things to actual size, like trusses and arches, etc.? Before calculators we used books with tables for rafters,trusses,spans,loads, trig functions,angles, numerical conversions etc.
Herb

 

[Herb Stoops]

One time I remember we had to layout a curved wall that the center point of the curve was 25' outside the exterior wall of the building. the problem was we were on the 50th floor.

Another was laying out a concrete footing for the bleachers at the University Stadium that was centered between the goal posts with a 120' radius that was 45' elevation above the field.
Herb

 

[Herb Stoops]

Attachment-1.gif

Didn't come in ,Bryon
HErb

 

[Herb Stoops]

forgot your CM did'ja???

I used the CM Pro to figure out both of those,plus a transit at the Stadium.
Herb

 

[Herb Stoops]

When I went to electronics school in 1974 we used slide rules.

Bryon, wish we had calculators when I was in school instead of slide rules.
Herb

 

[Herb Stoops]

JFPNCM @Herb Stoops

The advantage to slide rules, you have to understand the problem to be solved and think. Calculators, not so much.

Jon

You know, I have never thought about it like that ,but you are right.
Herb