Complex sentence: The original 1950 edition assumed very little knowledge on the part of the reader; it featured an extensive glossary that explained cooking terminology and in addition to recipes it offered instructions for using then-new appliances such as refrigerators and electric ranges.
Split into simpler sentences: The original 1950 edition assumed very little knowledge on the part of the reader. It featured an extensive glossary that explained cooking terminology and in addition to recipes it offered instructions for using then-new appliances such as refrigerators and electric ranges.