FlagHouse is now part of School Specialty. Learn More.
  • Home
  • Frey Scientific Sympathetic-Differential Tuning Forks, Set of 2

Frey Scientific Sympathetic-Differential Tuning Forks, Set of 2

Item #: 560722

"Tune in" and listen to both sympathetic and differential frequencies with this combination tuning fork set.

$71.89 $53.92
Free Shipping Eligible: Details

School Specialty Shipping Policy

Items Shipped Within the Contiguous 48 United States

Free Shipping Eligible Items

  • Free shipping and handling on eligible supply orders of $49 or more. Free shipping calculation is based on the subtotals of eligible items, after any additional discounts are applied.
  • For subtotals less than $49, the shipping and handling charge is $9.95.

Free Shipping Ineligible Items

  • Shipping and handling charges are 15% of the subtotal of the items, after any discounts are applied, with a $9.95 minimum charge.

Free Shipping Ineligible Items

  • Shipping and handling charges are 15% of the subtotal of the items, after any discounts are applied, with a $99 minimum charge. If the subtotal is greater than $1,000, please e-mail freight_quote@schoolspecialty.com for a freight quote.

*Note: Individually negotiated shipping policies will override the standard shipping policy. See Full Details

Items Shipped to Hawaii, Alaska and International

See our Hawaii & Alaska Shipping Policy and International Shipping Policy for details.
In Stock - Typically Ships Within 2-3 Days
Frey Scientific Sympathetic-Differential Fork Set contains a combination of tuning forks that allows two demonstrations: one with weights and other without weights. Extra heavy chrome-plated steel forks each measure 1-1/4 inches (or 32 millimeters) wide. Both are mounted on hardwood resonators; mallet included.
  • This combination tuning fork set allows for 2 different vibrancy demonstrations for comparing and contrasting
  • Without the weight, one fork responds to the vibrations of the other and demonstrates sympathetic vibration at some distance
  • With the weights, one fork can be tuned 1 or more cps different
  • When both forks are struck with mallet weight, it will produce beats of startling clarity
  • Extra-heavy chrome-plated steel forks are mounted in hardwood resonators and come with mallet for instant use
Includes:
  • One Combination Tuning Fork Set (with 2 Forks, Mallet, and Mounted Bases)