Chart no. 7 indicates that up to 1923 there were 3,650,000 vacuum cleaners in use. This number increased to 9,880,000 by January 1935. (Source of data: Electrical Merchandising.)

Chart no. 8 gives the facts for washing machines. In 1923 there were 2,150,000 in use. At the beginning of 1935 there were 9,439,000 in use. (Source of data: Electrical Merchandising.)

Chart no. 9 indicates that there were approximately 1,000,000 electric toasters in use in 1923. Today there are approximately 9,608,000 in use. (Source of data: Electrical Merchandising.)

Chart no. 10 shows 267,000 electric ranges in use in 1925 and 1,255,000 in use at the beginning of 1935. (Source of data: Electrical Merchandising.)

Chart no. 11 shows that in 1923, 116,000 electric ironers were in use; now the number is 905,000. (Source of data: Electrical Merchandising.)