Hemline Sewing Machie and Appliance Bulbs. 
 
Type A - Push-in - Small:  SBC - Bayonet Long, push in, 15W/240V. Product code: H130.S
 
Type B - Push-in - Medium:  SBC - Bayonet Long, push in, 15W/240V. Product code: H130.M
 
Type C - Push-in - Large:  SBC - Bayonet Long, push in, 15W/240V.
Product code: H130.L
 
Type D - Screw-in - Small:   SBC - Long, screw in, 15W/240V.
Product code: H131.S
 
Type E - Screw-in - Medium:   SBC - Long, screw in, 15W/240V.
Product code: H131.M
 
Type F - Screw-in - Large:   SBC - Long, screw in, 15W/240V.
Product code: H131.L