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Warren P. Valentine
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Warren P. Valentine
Warren P.
Valentine
Year
1928
Subject
Engineering
Award
Longstreth
Precision Refractometer.
Buy Tickets
Visit
Tickets
Plan Your Visit
Accessibility
Frequently Asked Questions
Daily Schedule
Museum Map
Getting Here
Where to Eat & Stay
Exhibits & Experiences
All Exhibits & Experiences
Wondrous Space
Body Odyssey
Hamilton Collections Gallery
Universal Theme Parks: The Exhibition
Upcoming Events
Events Calendar
Science After Hours
FunFest: A Night at the Museum
Science & Education
Staff Scientists
Collection Highlights
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 2025
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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Group Visits
Plan an Event
Support
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