Author Archives: Ed Titanich
Theodolites
The term “theodolite” can be traced back to the sixteenth century in Europe. Although there...
Computer, Pocket HP25
The HP-25 was introduced in 1975. It was called a calculator by Hewlett Packard, however,...
Calculator, Facit
Facit calculator. This calculator was made by Facit AB, in Stockholm, Sweden. It is marked...
Calculator, Curta Type II
Curta Calculator, Type II - 8 decimal places. The Curta was small enough to fit...
Calculato, Curta Type 1
One Curta Type 1 calculator & Metal Carrying case (Case is in two connecting sections}