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J.B. Colt & Co.
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J.B. Colt & Co.
J.B.
Colt & Co.
Year
1895
Subject
Engineering
Award
Longstreth
Projection Microscope
Buy Tickets
Visit
Tickets
Plan Your Visit
TFI Transformation
Accessibility
Frequently Asked Questions
Itineraries
Daily Schedule
Museum Map
Getting Here
Where to Eat & Stay
Exhibits & Experiences
All Exhibits & Experiences
The Art of the Brick
Wondrous Space
Science After Hours
Heritage Days
Upcoming Events
Events Calendar
Science & Education
Staff Scientists
Collection
Benjamin Franklin Resources
Scientific Journals of The Franklin Institute
Professional Development
The Current: Blog
The Franklin Institute Awards
About Awards
Ceremony & Dinner
Sponsorship
The Class of 2024
Call for Nominations
Case Files
Committee on Science & The Arts
Exhibit Resources for Educators
Next Generation Science Standards
Title I Schools
Neuroscience & Society Curriculum
Youth and Community Programs
PACTS
STEM Scholars
GSK Science in the Summer™
Missions2Mars Program
Children's Vaccine Education Program
Franklin @ Home
Podcast & Videos
The Curious Cosmos with Derrick Pitts Podcast
So Curious! Podcast
A Practical Guide to the Cosmos
Archives & Oddities
Ingenious: The Evolution of Innovation
The Road to 2050
Science Stories
Spark of Science
That's B.S. (Bad Science)
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