Letter from Johann Georg Forchhammer, Copenhagen to Edward Sabine Forchhammer introduces Sabine to Mr Steen, Professor of Mathematics at their University, who will be at the meeting of the British Association. Forchhammer informs Sabine he will not travel to England this year but has already attended three meetings, and now needs to focus on his ‘duties as a Professor’ and his ‘literary labours’. Refers to his inability to sends his paper. References his paper on sea water. 10 August 1863