Extended-Range Rheostat, 200mm, Model C Subcategory_Cylinders 4A standard rheostat with constantan

4A standard rheostat with constantan winding on a vitreous-enameled steel tube

sized to mount alongside a tone generator for converting electrical signals into audible tones during sound-wave demonstrations

sized for middle-school anatomy teaching

Enlarged pathology heart model with 2

Multi-range AC/DC moving-coil ammeter spanning to 5A with a toggle for AC or DC mode and a double measuring scale

Extended-Range Rheostat, 200mm, Model C Subcategory_Cylinders 4A standard rheostat with constantanExtended range rheostat at 10. 7 ohms and 5A on a 200x44mm tube with a slide contact carriage, the lower resistance higher current option in the compact tube rheostat line.