This website offer the rich history of many types of office machines.

Visit this site to find out when these machines came into existence and the evolution of their uses:

• Dictation machines
• Pens
• Date stamps, time stamps, number stamps
• Check protectors
• Seal presses
• Typewriters
• Adding and calculating machines
• Paper fasteners
• Staplers
• Communications equipment
• Mail machines
• Copiers
• Pencil sharpeners

There is also information on the history of offices and vintage pictures of office interiors.

Early Office Museum