Ka cika wannan jumla: Armsby ya sami yabo sosai a lokacin da yake da rai. Ya sami digiri na girmamawa daga Jami'ar Wisconsin (1904), Jami'ar Yale (1920), da Cibiyar Nazarin Fasaha ta Worcester (1921). An zabe shi memba na Kwalejin Kimiyya ta Kasa, da Royal Society of Arts, da kuma Royal Swedish Academy of Agriculture and Forestry. An ba shi lambar zinare a gasar
Panama-Pacific International Exposition a 1915 don samfurin calorimeter da ya tsara a Jihar Penn. Wani rahoto da Ma'aikatar Aikin Gona ta Amirka ta bayar ya kira shi "mutum mafi muhimmanci a ƙasar nan da ya ƙware a binciken da ake yi game da abincin dabbobi".