The drawer contains negatives of drawings in envelopes and in bundles of drawings of Traction Control Design Office drawings. Drawing number ranges TCD 33/31; 38/147; TCD 38 S 155; TCD 33 Z 1; TCD 34 / 238; TCD 34 M 57; TCD 35 F 261; TCD 35 S 89; TCD 36 M 159; TCD 37 M 079; TCD 38 M 001.