1919 Riley Underfeed Stokers Ad - "Pumping 67,000 Gallons of water per 100 Lbs. of Coal"
1919 Riley Underfeed Stokers Ad - "Pumping 67,000 Gallons of water per 100 Lbs. of Coal"

1919 Riley Underfeed Stokers Ad - "Pumping 67,000 Gallons of water per 100 Lbs. of Coal"