reflecting-telescope public under optical-telescope 10 List Picture As a command %3 n0 reflecting-telescope n2 cassegrainian-telescope n0->n2 n3 coude-telescope n0->n3 n4 herschelian-telescope n0->n4 n5 maksutov-telescope n0->n5 n6 newtonian-telescope n0->n6 n7 schmidt-telescope n0->n7 n1 optical-telescope n1->n0