"This is a rare example of a mid-19th-century bathroom that had survived for 150 ... Mansell said — and few families had indoor plumbing at the time, anyway. The White House only got running ...

"This is a rare example of a mid-19th-century bathroom that had survived for 150 ... Mansell said — and few families had indoor plumbing at the time, anyway. The White House only got running ...

Adding a bathroom with conventional plumbing to any house can be expensive and disruptive. Often, additional bathrooms are almost mandatory. Traditional reasons for adding a bathroom include a ...