Tests on Bonnell 'red spot' and 'cheam spot' insulated fishplates (E-204)

Two type of fishplate were submitted for test -both for 95 lb/yd. [text omitted as illegible]. 1) A laminated [text omitted as illegible] fishplate reinforced with woven glass [text omitted as illegible] and marked with [text omitted as illegible] for identification purposes -[text omitted as illegible] to as Bonnell...