Sentence:  If it is assumed that the formula given by Lodge of * * f , cosec 2lc applies , the pressure difference along the major axes can be calculated from the <WSD>angle</WSD> of inclination of the major axis , and from this the interfacial tension can be calculated . 
Meaning of the word marked with <WSD> tags:  the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians