An inventor
An engineer
An artist
An architect
A person who prepares and sells medicines and cosmetics
Who is this?
A perso who study histoty
Who is this?
When were mechanical clocks made?
Where were the first wristwatches made?
When were sand glasses used?
When was the telephone invented?
Where was Alexander Bell born?
What kind of job was Alexander Bell given when he got to America?
Who was his work financed by?
What were the first words spoken over the telephone?
When was the first communication satellite launched?
When were shadow clocks first used?
When was the first accurate clock designed?
What kind of clocks were used in ancient Egypt?
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