A sundial has two sides. The aim of having two sides is so that the sun can only strike a shadow at one side to help people tell the time.
Multi blade on many sides with months, days, hours and sloping speared globe above many sided sundial
I have a sundial in the garden.The sundial were the earliest form of clocks.
He used a portable sundial.
The answer depends on what is wrog with the sundial.
The pin of a sundial is called a gnomon. It is the part of the sundial that casts a shadow onto the dial face to indicate the time.
they had many like the sundial and compass
Theodosius of Bithynia invented the sundial.
The vertical pointer on a sundial is the gnomon.
The pointer on a sundial is called a gnomon. It casts a shadow on the sundial face to indicate the time.
the shadow of the sundial is just called a shadow
The raised arm of a sundial that indicates the time of day by its shadow is the gnomon (NO-mon). A sundial has but one arm, what do you mean by secondary arm?
gnomon