Genre:

Diary, Spoof, Serial

Subjects:

Invention, Electricity, Music, Military Technology, Amusement

    Describes some of the inventions of his 'Portable Friend' including a camp stool whose legs contain revolvers and daggers, a galvanic attachment to a piano enabling the instrument to play tunes and light cigars and pipes during parties, and a 'galvanic portmanteau' which will 'mark the time, the distance, tell the day of the month, cook a dinner, be a bed carriage' and 'a boat'.