Rock drilling machine Cobra BBM 47 LA 7/8" purchased 1979-08-24 from Atlas Copco AB Skara. Probably not used in the last 15 years.
Storage box, carrying case, instruction book, tools and a number of drills/tools as shown in the pictures are included. Technical data: Weight 25 kg. Working height 456 mm. Two-stroke petrol engine. Displacement 125 cc. Tank volume 1.5 liters. Stroke rate 2100-2600 strokes/min. Drill steel rotation approx. 190 rpm. Drill sinking 28 cm/min with 29 mm insert.