Parallel Mirrors
Two mirrors fixed on a base (one mirror is fixed in a way that allows the student to move it to be parallel to the other). They give infinite idols.
It can be used with the construction of APP646.
2.3
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Parallel Mirrors
Two mirrors fixed on a base (one mirror is fixed in a way that allows the student to move it to be parallel to the other). They give infinite idols.
It can be used with the construction of APP646.
2.3