Design of duralumin airship girders (Plates)

Strut curves for plain angles

Strut curves for lipped angles

Strut curves for plain channels

Strut curves for lipped channels

Method of failure of girder members

The stress distribution in a braced girder

Girder bracing

Details of test girders

Experiments on complete girders in compression

Details of 18L type transverse girders

"Armstrong" zeppelin type girder

Zeppelin L-33 keel corridor girder

Zeppelin main longitudinal girder

Joint F of main transverse frame

Variation of weight of girder for a given crippling load with L/K of complete girder

Variation of weight of girder for a given crippling load with S/t of angle member

Variation in the weight of different types of box girders, for a given crippling load with l/k

Strengths of "A" girders

Strengths of "B" girders

Variation of weight of girder per 1 ton of crippling load with L/K of complete girder

Variation of weight per 1 ton crippling load with l/k of individual channels

Strengths of "D" type girders

Strengths of "C" type girders

Strengths of "E" type girders

Strengths of "F" type girders

Sketch of "short" wooden girder

Experimental results of test on plain channels

Experimental results of test on plain angles