Number crunchers
A collection of number crunching devices owned by my great-grandfather, my father and me. The oldest is the circular slide-rule patented in 1921. A couple are slide-rules I used in high-school and the newest item is the HP-10C scientific calculator I used in college.
6,227
views
30
faves
9
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Uploaded on August 27, 2017
Taken on August 27, 2017
Number crunchers
A collection of number crunching devices owned by my great-grandfather, my father and me. The oldest is the circular slide-rule patented in 1921. A couple are slide-rules I used in high-school and the newest item is the HP-10C scientific calculator I used in college.
6,227
views
30
faves
9
comments
Uploaded on August 27, 2017
Taken on August 27, 2017