10-100Ω Single Dial Resistance Box Manufacturer_Austerlitz converting solar radiation to measurable

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

Used to compare two light sources by sliding them until both faces of a paraffin block appear equally lit

2A rheostat with oxidized constantan winding on a 300x44mm vitreous-enameled tube

and a month-labeled base for tracking orbital positions through the year

10-100Ω Single Dial Resistance Box Manufacturer_Austerlitz converting solar radiation to measurableMid low range resistance box stepping from 10 ohms to 100 ohms in 10 ohm increments on a single rotary dial, the workhorse decade for introductory Wheatstone bridge and Ohm's law work.