From the gross rates from Pittsburg to New York, a rebate per barrel of $0.50 From the gross rates from Pittsburg to Philadelphia, a rebate per barrel of .50 From the gross rates from Pittsburg to Baltimore, a rebate per barrel of .50 From the gross rates from Cleveland to Boston, a rebate per barrel of .50 From the gross rates from Cleveland to New York, a rebate per barrel of .50 From the gross rates from Cleveland to Philadelphia, a rebate per barrel of .50 From the gross rates from Cleveland to Baltimore, a rebate per barrel of .50 From the gross rates from any common point to New York, a rebate per barrel of 1.32 From the gross rates from any common point to Philadelphia, a rebate per barrel of 1.32 From the gross rates from any common point to Baltimore, a rebate per barrel of 1.32 From the gross rates from any common point to Boston, a rebate per barrel of 1.32 From the gross rates to and from all points, intermediate between the above points, a rebate or drawback of one-third of the gross rate, shall be paid. From the gross rates from Pittsburg, Cleveland, and other points, to places west of the meridians of Pittsburg and Cleveland, a rebate or drawback of one-third of the gross rate shall be paid. 5. To charge to all other parties (excepting such as are referred to in Article 3d) for the transportation of petroleum and its products, rates which shall not be less than the gross rates above specified, and should at any time any less rate be charged, directly or indirectly, either by way of rebate, commission, allowances, or upon any pretext whatsoever, the same reduction per barrel shall be made to the party hereto of the first part, from the net rates provided for them, on all transportation for them during the period for which such reduction shall be made to others.