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May 2024

September 17, 2009

What is hanging off the front of my Philadelphia Brownstone Condo Building?

Filed under: Center City Real Estate — Center City Philadelphia Real Estate Agent @ 9:59 am

It is called a Busy-Body

Like an early form of caller ID, Ben Franklin invented this interestingly simple device called a busy-body. Attached to a 2nd floor exterior windows sill, this device allows you to stand inside your home, and see who is at your front door, without that guest or visitor know that he is being watched. So if someone is knocking at the front door of your Philadelphia Brownstone, perhaps selling sweepers, or magazine subscriptions, you may see who it is, and choose not to answer. All the while, the person knocking will have no idea that he or she has been seen. The set of 3 mirrors is angled so the image of your front door stoop is reflected directly into a window on the 2nd floor. Again, so you can see who it at your door, without having to answer your door. That Benjamin Franklin was one smart guy!

Mark Wade
Prudential Fox and Roach REALTORS®
530 Walnut St., Suite 260 Philadelphia, PA 19106

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1 Comment »

  1. Thanks for enlightening me!

    I’ve seen these devices at several clients homes and they had no idea what they were for.

    Comment by Ann at FlexBox Storage — September 22, 2009 @ 8:21 am

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