Description
this decade box selects cascaded values for RC-time-constant
Double-concave glass lens at 3-inch diameter and 200mm diverging focal length
Open Laplace rail with a free-moving conductor and 4mm sockets
Hand-cranked worm-and-wheel drive with a rotation dial between clear acrylic plates
Center-zero galvanometer reading 1-0-1mA at plus-or-minus 2
1A DC Interchangeable Dial for Demonstration Meter Metal Labware_Metal Bases & Rods this decade box selects cascadedOne amp AC scale on a 315x115mm laminated panel with sealed shunt, dropping into the demonstration meter as a 0 1A AC ammeter for transformer and household current measurements.
Exchange/Return Notes
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