First Congregational Church v. Holyoke Mutual Fire Insurance

The policies of insurance sued on in these six cases are all alike in containing provisions which are relied on in defence, and which are as follows : “ This policy shall be void if . . . without the assent in writing or in print of the company . . . the situation or circumstances affecting the risk shall, by or with the knowledge, advice, agency, or consent of the insured, be so altered as to cause an increase of such risk; or if camphene, benzine, naphtha, or other chemical oils or burning fluids shall be kept or used by the insured on the premises insured, except that what is known as…