REFERENCE BOOKS 343 



and through the clothes washes them. This machine may 

 be operated in a number of different ways, by hand 

 lever, crank, water motor, or electric motor. The hand- 

 operated machines are very efficient, but require time and 

 attention. The motor-driven ones are much more expen- 

 sive, but save work. 



REFERENCE BOOKS 



Bachman, Great Inventions and Their Inventors (Sewing machine). American Book 



Company. 



Barber, General Science, Chapter X. Henry Holt and Company. 

 Black and Davis, Practical Physics, Chapter II. The Macmillan Company. 

 Brownell, General Science, Chapter VII. P. Blakiston's Son and Company. 

 Caldwell and Eikenberry, General Science, Part III, Chapters XV, XVI. Ginn and 



Company. 

 Central Scientific Company, Chicago, Catalogue with illustrations of simple machines 



for projects. 

 Child, The Efficient Kitchen (For teachers), Chapters II, XIV. McBride, Nast 



and Company. 



Clark, An Introduction to Science, Chapter XXXII. American Book Company. 

 Clark, The Care of a House (For teachers). The Macmillan Company. 

 Carhart and Chute, Physics with Applications, Chapter VI. Allyn and Bacon. 

 Fall, Science for Beginners, Chapter XXXIII. World Book Company. 

 Hessler, The First Year of Science, Chapter X. Benj. H. Sanborn Company. 

 Hoadley, Essentials of Physics, Chapter III. American Book Company. 

 Hodgdon, Elementary General Science, Chapter XIV. Hinds, Hayden and Eldredge. 

 Knott Apparatus Company, Boston. Catalogues with illustrations of simple 



machines for projects. 



Lynde, Physics of the Household, Chapters I, II, III. The Macmillan Company. 

 Singer Sewing Machine Company, Mechanics of Sewing Machines. 

 Van Buskirk and Smith, The Science of Everyday Life, Project XV. Houghton 



Mifflin Company. 



. Van Rensselaer, Manual of Home Making (Teachers' use), Chapter III. The Mac- 

 millan Company. 

 Williams, How It Works. Nelson Company. 



