Pollard Drills. Full-range catalogue Showing drills from the 1940s & 1950s Pollard Corona Drills. Full-range catalogue showing drills manufactured during the 1940s and 1950s. Manufacturers: Pollard Models: KX AX AY EX FX FY MY NY HE HA TXS MX DFX A MH Model M 3MX A-N AR 20MH 31-A M-Y KX. LX. MX. Contents: Catalog