Blocks of instruction See also course type AC - Academic courses (not specified below) BS - Basic Skills GE - General Education UT - Upper Division Theme WP - Writing Proficiency
British designation meaning Breech Loading cannon In the 1800s the the British used the designation "BLR" where the "R" stood for rifle, but after about 1890 the "R" was dropped from new gun designations By the 1930s "BL" had become to be used only for bag ammunition guns