Welcome to Mike Bromberg's Website for Three Ring Cartography and Three Ring Circuits!
Use the tabs above to navigate to my three main areas of business:

• Electronic Engineering and Design

• Trail Map Cartography

• Stage Lighting Design and Stage Lighting Equipment Rental

I have been in business since 1975 as a freelance Electronic Engineer.
I received my Professional Engineer license in NH in 1979.
Stage lighting operations began in 1987.
My first trail map was published in 1991.