Heathkit IB-102 Frequency Scaler 2 MHz-to-175 MHz - Tested

HP 05345-60011 A11 Scaler Assembly Board for HP 5345A Frequency Counter

Heathkit IB-102 Frequency Scaler 2 MHz-to-175 MHz - Tested (with photos)

Heathkit Heath Schlumberger SM-114A 600 MHz Frequency Scaler - Tested

Vtg Radiation Counter Lab Binary Scaler Ratemeter

Ortec MCS-PCI Multichannel Scaler Card

Griffin & George XKS-350-101F Timer Scaler & Frequency Meter

BiRa Systems 911 CAMAC Latching Scaler Module