In 1875, he joined the 19th Feldjäger Battalion, and in 1877 became an Oberleutnant in the Military Geographic Institute, then, after campaigning in Bosnia in 1878, he taught drawing at the Infantry Cadet School in Vienna.
[3] Myrbach leant more towards an aesthetic approach than von Scala, but both worked together to bring about their combined vision of successful, popular Austrian applied art.
Ludwig Hevesi called Myrbach "probably the best [illustrator] in Vienna", partially for his work (with Moser) in the Secession magazine Ver Sacrum.
[1][18] He moved abroad in 1905, first returning to Paris and providing illustrations for Hachette, and then from 1914 living in Spain, mainly in Barcelona but also spent time in Bilbao.
[19] Myrbach created many scenes of military life, as well as bucolic pictures of farmers, horses and forests; as well, his work showed touches of Orientalism.