N.Y. RRD Law § 74

§ 74. Care of steam locomotives; steam and water cocks; penalty. It\nshall be the duty of every corporation operating a steam railroad,\nwithin this state, and of its directors, managers or superintendents, to\ncause the boiler of every locomotive used on such railroad to be washed\nout as often as once every thirty days, and to equip each boiler with\nand maintain thereon at all times, a water glass, showing the height of\nwater in the boiler, having two valves or shut-off cocks, one at each\nend of such glass, which valves or shut-off cocks shall be so\nconstructed that they can be easily opened and closed by hand; also to\ncause such valves or shut-off cocks and all gauge cocks or try-cocks\nattached to the boiler to be removed and cleaned whenever the boiler is\nwashed out pursuant to the foregoing requirements of this section, also\nto keep all steam valves, cocks and joints, studs, bolts and seams in\nsuch repair that they will not at any time emit steam in front of the\nengineer, so as to obscure his vision. No locomotive shall hereafter be\ndriven in this state unless the same is equipped and cared for in\nconformity with the provisions of this section; but nothing herein\ncontained shall be construed to excuse the observance of any other\nrequirement imposed by this chapter upon railroad corporations, their\ndirectors, officers, managers and superintendents. Every corporation,\nperson or persons operating a steam railroad and violating any of the\nprovisions of this section, shall be liable to a penalty of one hundred\ndollars for each offense, and the further penalty of ten dollars for\neach day that such violation shall continue. The commissioner of\ntransportation shall enforce the provisions of this section.\n