右放猛火油,以熟铜为柜,下施四足,上列四卷筒,卷筒上横施一巨筒,皆与柜中相通。横筒首尾大,细尾开小窍,大如黍粒,首为圆口,径寸半。柜傍开一窍,卷
筒为口,口有盖,为注油处。横筒内有拶丝杖,杖首缠散麻,厚寸半,前后贯二铜束约定。尾有横拐,拐前贯圆揜。入则用闲筒口,放时以杓自沙罗中挹油注柜窍
中,及三斤许,筒首施火楼,注火药於中,使然(发火用烙锥);入拶丝,放於横筒,令人自后抽杖,以力蹙之,油自火楼中出,皆成烈焔。其挹注有椀,有杓;贮
油有沙罗;发火有锥;贮火有罐。有钩锥、通锥,以开通筒之壅;有铃以夹火;有烙铁以补漏(通柜筒有罅漏,以蜡油青补之。凡十二物,除锥铃烙鉄外,悉以铜为
之)。一法:为一大卷筒,中央贯铜胡卢,下施双足,内有小筒相通(亦皆以筒为之),亦施拶丝杖,其放法准上。凡敌来攻城,在大壕内及傅城上颇众,势不能
过,则先用藁韎为火牛缒城下,於踏空版内放猛火油,中人皆糜烂,水不能灭。若水战,则可烧浮桥、战舰,於上流放之。(先於上流簸糠秕熟草,以引其火)。
右 霹雳火毬,用乾竹两三节,径一寸半,无罅裂者,存节勿透,用薄瓷如鉄钱三十片,和火药三四斤,裹竹为毬,两头留竹寸许,毬外加傅药(火药外傅药,注具火球 说)。若贼穿地道攻城,我则宂地迎之,用火锥烙毬,开声如霹雳,然以竹扇簸其烟焔,以薰灼敌人(放毬者合甘草)。一说用乾艾一石烧烟,亦可代毬。
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右 霹雳火毬,用乾竹两三节,径一寸半,无罅裂者,存节勿透,用薄瓷如鉄钱三十片,和火药三四斤,裹竹为毬,两头留竹寸许,毬外加傅药(火药外傅药,注具火球 说)。若贼穿地道攻城,我则宂地迎之,用火锥烙毬,开声如霹雳,然以竹扇簸其烟焔,以薰灼敌人(放毬者合甘草)。一说用乾艾一石烧烟,亦可代毬。
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