APPENDIX 



557 



CHEMICALS 



Nitric acid, hydrochloric acid, sulfuric acid, ammonia, 

 limewater, potassium chlorate, manganese dioxid, sulfur, 

 calcium carbide, distilled water, potassium permanganate, 

 silver nitrate, calcium sulfate, potassium bromide, lead 

 acetate, iron alum, iodin solution, granulated zinc, hypo, 

 developing powders, formalin, baking powder, baking soda, 

 cream of tartar, vinegar, salt, washing soda. 



TABLE OF INVENTIONS 



