Causing unnecessary damage to the life and property of noncombatants.
A further generalization was effected by August Kekule, who rejected the hydrochloric acid type as unnecessary, and introduced the methane type and condensed mixed types.
It is unnecessary in this place to recapitulate the many results which had accumulated by the end of the 18th century, or to discuss the labours and theories of individual workers since these receive attention under biographical headings; in this article only the salient features in the history of our science can be treated.
It is unnecessary here to discuss the views of Gadow, as that author himself has contributed the article BIRD to this edition of the Encyclopaedia Britannica, and has there set forth his revised scheme.
It is unnecessary to recount the various infamous means which he employed to pay his expenses during these journeys.