1. The appellant contends that the policy of insurance became void because the following clause found therein was violated by the insured:
“All property must be insured in the names of all the owners, and the application must state the name of each owner or the policy will be void.”
In this case the insured buildings, being a part of the homestead, descended to the widow during widowhood. Sec. 2271, Stats. (1898). Whether it was a violation of the terms of the insurance contract to insure the property in her name, rather than in the joint names of the widow and the remaindermen, is a doubtful question in view of the following cases decided in this court: Johannes v. Standard *119Fire Office, 70 Wis. 196, 35 N. W. 298; Vankirk v. Citizens' Ins. Co. 79 Wis. 627, 48 N. W. 798; Carey v. Liverpool & L. & G. Ins. Co. 92 Wis. 538, 66 N. W. 693; Schultz v. Caledonian Ins. Co. 94 Wis. 42, 68 N. W. 414; Davis v. Pioneer F. Co. 102 Wis. 394, 78 N. W. 596; Matthews v. Capital F. Ins. Co. 115 Wis. 272, 91 N. W. 675; Wolf v. Theresa Village Mut. F. Ins. Co. 115 Wis. 402, 91 N. W. 1014; Evans v. Crawford County F. Mut. F. Ins. Co. 140 Wis. 189, 109 N. W. 952. It is unnecessary to decide tbe point.
Tbe jury found tbat William Eenn, tbe secretary of the defendant company, who wrote tbe policy in suit, knew at tbe time tbe policy was written tbat tbe children of tbe plaintiff Ida Siemers were tbe owners of the real estate insured, subject to tbe homestead and dower rights of said plaintiff. Appellant's counsel vigorously attack this finding as not being supported by tbe evidence. Tbe evidence was sufficient to warrant tbe jury in reaching tbe conclusion which it did reach. Mr. Eenn was a near neighbor of tbe insured for many years, and it would not be at all remarkable tbat be should know or be entirely satisfied as to where tbe title to tbe property rested, and be testified tbat as a matter of fact be did know when be wrote tbe policy. Tbat such knowledge was an effectual waiver of tbe requirement of tbe insurance company, as regards title to tbe insured real property, is established beyond cavil. Many of tbe eases so bolding are cited in Metcalf v. Mutual F. Ins. Co. 132 Wis. 67, 73, 112 N. W. 22. Other cases to the same effect are McFetridge v. American F. Ins. Co. 90 Wis. 138, 62 N. W. 938; Goss v. Agricultural Ins. Co. 92 Wis. 233, 65 N. W. 1036; Schultz v. Caledonian Ins. Co. 94 Wis. 42, 68 N. W. 414; St. Clara F. Acad. v. Northwestern Nat. Ins. Co. 98 Wis. 257, 73 N. W. 767.
2. It is next urged tbat by placing and operating the en*120gine at tbe time, in tbe manner, and for tbe purpose for wbicb it was operated, tbe policy became void because tbe following provision of tbe insurance contract was violated:
“If . . . tbe risk should be increased by any means whatever within tbe control of tbe assured, or be occupied in any way whatever so as to render tbe risk more hazardous than at the time of insuring, such insurance shall be void and of no effect.”
Tbe contention is that tbe foregoing clause in tbe insurance policy was violated in two respects: (1) By running tbe engine for a few minutes without the spark arrester; and (2) because of running tbe engine at all for tbe purpose of cutting ensilage. Tbe jury found that tbe risk was not increased because of running tbe engine without tbe spark ar-rester. There was very little evidence introduced on either side bearing on tbe question, and there is no evidence to show that tbe removal of tbe spark arrester was the proximate cause of tbe fire. This court would not be warranted in setting tbe finding aside.
Tbe second objection presents a much broader proposition and necessitates a construction of tbe policy. There was no direct evidence in tbe case as to what caused tbe fire. Tbe inference is strong that tbe steam engine was responsible for it. If so, if tbe engine bad not been operated, tbe fire would not have occurred. Therefore, by operating tbe engine, tbe plaintiffs increased tbe fire hazard and they cannot recover. Such is the construction wbicb tbe defendant now places on its contract, although it did not so construe it when it declined to pay tbe loss, and such is tbe construction wbicb it asks tbe court to place thereon. Tbe provision is one commonly found in policies of insurance, and is in substance embodied in tbe standard fire insurance policy adopted by tbe legislature of Wisconsin. Sec. 1941 — 46, Stats. (1898). People insure against their own negligence as well as that of their neighbors, and against those untoward events wbicb bu-*121•man foresight is unable to prevent. Farmers bave little to apprehend in the way of fire hazard from neighboring property. Their losses occur from accidental causes which cannot be avoided and from acts of omission or commission on ■their part which might have been guarded against. It is ■safe to say that by far the larger proportion of losses occur ■from tiie causes last named. If a fire is started by reason of an additional stove being set up after a policy is written, or by reason of the lighting of a match or the building •of a mosquito smudge, or the use of a kerosene lantern around outbuildings, has the insured increased the risk by a means within his control and thus forfeited his right to recover ? Owners of farm property hardly understand that by insuring their property they are debarring themselves of the right of carrying on their operations in the ordinary way.
Fire hazard is a variable quantity. It changes constantly from day to day, and sometimes imperceptibly, from the operation of the laws of nature and from various circumstances beyond the control of the insured. Such influences must, in general, unless unusual or extraordinary, be considered as a necessary part or incident of the risk which the insurer has undertaken to bear. It is not to be supposed that the insured has guaranteed that no improvements or changes shall be made anywhere in the vicinity of the insured property during the life of the insurance, but it is reasonable to •exact an obligation from him that he shall not allow or permit a change to be made in the structure, nature, or habitual use of the insured property materially different from that which the insurer has agreed to undertake. Richards, Ins. (3d ed.) p. 329. But trivial or temporary variations in the risk incident to the ordinary use of the insured property are presupposed by the contracting parties to be likely to occur. Kircher v. Milwaukee M. Mut. Ins. Co. 74 Wis. 470, 43 N. W. 487. Insurance must be presumed to be made with ref•erence to the character of the property insured and to the *122owner’s use of it in the ordinary way and for tbe purpose for which such property is ordinarily held and used, or to cover risks incident to such use. 1 May, Ins. (4th ed.) § 219, and eases cited.
It is a matter of common knowledge that cutting fodder by hand, horse, steam, or gas engine power is a very’ customary operation on farms. We think that when the contract was made it was fairly within the contemplation of the parties that such work might be carried on, and that a steam engine might be employed in doing such work unless its use was specifically forbidden by the policy, and that the court committed no error in refusing to submit a question to the jury asking whether the risk had been increased by its use. The clause in question has reference to some permanent change in the character or condition of the insured property, and not to a temporary change in the risk, which was a mere incident to the ordinary use of the property.
We think the position of the appellant is not sound for another reason. The policy expressly provided that the company should not be liable for loss caused by the use of steam threshing machines unless (1) a ladder was kept between the engine and the separator; (2) one barrel of water and two pails were kept between the engine and the barn ready for use; and (3) a watchman was always in attendance to watch the engine during its operation. The policy of insurance should be liberally construed in favor of the insured, particularly when a strict construction would work a forfeiture. Redman v. Hartford F. Ins. Co. 47 Wis. 89, 1 N. W. 393; 19 Cyc. 656, 657, and cases cited.
It is apparent that the hazard which the defendant sought to minimize was the use of steam engines around farm buildings. While the policy uses the words “steam threshing machines,” yet, taking the provision as a whole, we think it was its intent and meaning that steam threshing machine engines should not be employed in the ordinary operations carried on around farm buildings unless the required precau*123tions were taken. This is a fair construction of tbe policy to tbe insured and tbe insurer. It seems to be acquiesced in,, to some extent at least, by counsel for tbe appellant, as it is urged as one of tbe grounds of error that no recovery can be bad because tbe required precautions were not taken. Tbe converse of tbe proposition stated would be, not tbat tbe use of steam engines was forbidden for other purposes than threshing, but tbat as to other kinds of work which might be' done by them tbe precautions stipulated for in tbe policy-need not be adopted.
3. It is next claimed tbat tbe plaintiffs violated the following clause in tbe insurance policy:
“In case of fire ... or exposure to loss or damage thereby, it shall be tbe duty of the insured to use their best endeavors, for saving and preserving tbe property.”
Tbe contention is tbat by taking off tbe spark arrester the' plaintiffs did not comply with tbe foregoing requirement. It is manifest tbat this provision defines tbe duty of tbe insured when tbe property covered by tbe policy is on fire, or when it is so menaced by fire in its vicinity tbat damage is-likely to result. In such a case tbe policy-holder is obligated to minimize bis damages by using all reasonable efforts, to prevent unnecessary loss. Tbe insured did their full duty under this clause by saving all of tbe insured property -that they could after they discovered tbe fire.
4. It is further urged tbat tbe insured violated tbe conditions of tbe policy by failing to keep a watchman, a barrel of water and pails, and a ladder as provided thereby. Tbe jury found on sufficient evidence tbat a.watchman was employed as required by the policy. Tbe evidence to show tbat a ladder, an abundance of water, and the prescribed number of pails were provided as required was convincing and was--uncontradicted, and as to such requirements tbe evidence presented no controversy and no issue was raised for tbe jury to-pass upon.
5. It is also argued that tbe court erred 'in permitting the *124•plaintiffs to introduce evidence that was not rebuttal after the defendant rested. In view of the fact that the evidence •showed the condition of the title before plaintiffs rested their ease in chief, it was incumbent on them to show a waiver of •the forfeiture before resting rather than after the defendant rested. This they did not do. But it was entirely proper for the court to permit the evidence to be offered later. Courts are established for the purpose of getting at the rights of the parties who come before them with controversies, and such rights should not be defeated by technical rules. It is necessary that the trials be carried on in an orderly way. However, where counsel, through some inadvertence, fail to prove some vital fact at the proper time, the client •should not be turned out of court because of such failure if he in fact has a meritorious cause of action.
By the Court. — Judgment affirmed.