Lot of 6 Vintage Machining Calculators - Bliss, Kennametal, Greaves, Milwaukee

Description

1943 Bliss & Laughlin Production and Estimating Slide Rule Calculator
1956 Republic Steel Cutting Speed and Feed Selector
1969 Kennametal K-Mill Feed and Speed Calculator For Milling
1977 Kennametal Machining Calculator
1953 Greaves Machine Tool Milling Machine Speed and Feed Calculator
1958 Kearney & Trecker Milwaukee Machine Tools Chip Volume, Speed and Feed Calculator