Bolyai gave him a draft of the materials which he was writing on the theory of geometry, probably because he hoped for some constructive comments from him. However it would appear from Bolyai's later writings that he got nothing from von Eckwehr, in particular he never received the manuscript back.
Bolyai ibinigay sa kanya ng isang draft na ng mga materyales na kung saan siya ay sumusulat sa teorya ng geometry, marahil dahil siya para sa ilang mga inaasam-liwanag comments mula sa kanya. Subalit ito ay lalabas mula sa Bolyai's mamaya writings got wala na siya mula sa von Eckwehr, sa partikular na siya hindi natanggap ang sinulat ng kamay back.