I am a permanent power of 100 horse-poleure, and soft iron to the extent of 60 pounds

I am a permanent power of 100 horse-poleure, and soft iron to the extent of 60 pounds of steam to the horse-power. I can be up to 300 horse-power, but I never go beyond that. I can be up to 300 pounds of steam, but I never go beyond that. I can be up to 60 pounds of soft iron, but I never go beyond that. I can be up to 60 pounds of horse-power, but I never go beyond that. I can be up to 60 pounds of horse-power permanent, but I never go beyond that. I can be up to 60 pounds of horse-power permanent, soft iron, but I never go beyond that. I can be up to 60 pounds of horse-power permanent, soft