Rain gauge
Rain gauge box
Rainfall sampling apparatus
Rate-timer
Rear view speed indicator
Recording device
Regulator flow measurement module housing
Remote display for a sailboard speedometer
Replaceable gas analyzer
Respiratory air flow measuring device
Restriction indicator
Rod sensor
Rotameter tube O-ring retention
Rotation rate detector
Rotation rate detector
Sailboard speedometer
Sailboat instrument display panel
Sampling depth bob
Scale assembly for a fluid level gauge
Scale assembly for a fluid level gauge