KUeHLSTEIN. Kuehlstein Wagenbau, Karosseriefabrik, Salzufer 4, Charlottenburg. This old-established motor car firm commenced to build aeroplanes in 1911. Capacity: 20 a year. [Illustration: 96 h.p.] -----------------------------+--------------------+-------------------- | ~1912.~ | ~1912.~ | Torpedo monoplane. | Torpedo monoplane. | I. | II. -----------------------------+--------------------+-------------------- ~Length~ feet (m.)| 29-3/4 (9.10) | 27 (8.2) ~Span~ feet (m.)| 40-3/4 (12.4) | 35-1/2 (10.8) ~Area~ sq. feet (m squared.)| 291 (27) | 215 (20) {total lbs. (kgs.)| 1984 (900) | 2204 (1000) ~Weight~ { | | {useful lbs. (kgs.)| 1322 (600) | 1543 (700) ~Motor~ h.p.| 100 Argus | 96 Mercedes {max. m.p.h. (km.)| ... | ... ~Speed~ { | | {min. m.p.h. (km.)| 84 (135) | 87 (140) ~Endurance~ hrs.| 3 | 3 Number built during 1912 | 2 | 2 -----------------------------+--------------------+-------------------- Remarks.-- ~M~ MARS. Deutsche Flugzeugwerke G. m. b. H., Lindenthal bei Leipzig. Established 1911. This is one of the most important and successful aviation works in Germany. Capacity: from 80 to 100 machines a year. [Illustration: Mars. Monoplane.]