Silver Necklace - The cryptographic disc of Aeneas language:greek

Silver Necklace - The cryptographic disc of Aeneas language:greek"'" meaning "I love you" written on this silver necklace version. It was a disc with 24 holes (one for each letter of the alphabet) on the periphery, one in the centre and one more defining the letter A. The sender formed the message by passing a thin thread through the holes of the relevant letters and the receiver read it by removing the thread and noting the letters from right to left.

bearing 2 pairs of engravings of 7 grooves defining the months (zodiacs) for 4 different latitudes-towns)

Abacus was a wooden tablet with small pebbles used to calculate complex mathematical operations

It included at least 35 gears

was shockingly similar to the beginning of our modern technology

Δ to represent Δέκα (ten)

while with any given latitude as a sundial

The players were holding by nine pawns (of different colour or type e

Then they were moving the pawns alternately until any of them achieves the formation of a straight line

the development of which would be doubtful without its effortless and undemanding adoption

The first computational machine in history

broad beans and beans

and was used to predict astronomical and calendar events