Luneburg was home to three different army barracks. We were located in Wyvern, home to 24 Medium Regiment of the Royal Artillery. Our three storey blocks were comfortable and we soon established a routine class and practical work with the theodolite doing sun shots, which require six left face and six right face readings within two minutes and then calculations on a mechanical hand-powered Brunsviga calculating machine – all to establish our position. [Read more…]