Borrowing History: HPL has moved to a new
library system. Please consider using the Completed
Shelf Feature. The Completed and For Later shelf features
are great ways to track what you've borrowed and what you would like to borrow. Borrowing history is limited to 500 items to improve site
speed and performance.
An encyclopedia of mechanical things inside the house and how they work. Vacuum cleaners, faucets, telephones, toilets, etc. are all explored including a discussion of what was used in their place before they were invented.