Protympanium = Primordial drum; προτυμπάνιον.

[45]

Acrocubus = Perfect cube; ἄκρος, κῦβος.

[46]

Toxarium = Small bow; τοξάριον.

[47]

Microcubus = Small cube; μικρός, κῦβος.

[48]

Octotympanum = Drum with eight gates; ὀκτώ, τύμπανον.

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