Possible Clues:

• 1868 patent for authors
• Member of Set 2
• Printer using extremes of technology with metal to impress Royal Institution
• Broken wire in pretty awful office equipment
• Kind author that has characters making an impression
• Mark Twain, say, used this?
• Once-popular keyboard device
• Class is responsible for volume typical of secretarial college
• Family with women taking holy orders, for example, introducing reform essential to the old office
• Printer's extremely testy stare maintaining order