Reunion of a Morse telegraph with key in brass and wood (8x12,5x8,5cm), and a military surveyor's alidade compass in wood and brass, model with limb divided into thousandths (320 divisions of 20 thousandths), with instructions printed on the back of the lid, published by Delagrave & Cie, Paris (closed case 3x9x9cm) (wear and accidents - as is)