Accumulator. A term applied to a secondary battery, commonly called a storage-battery.
Accumulator, Electrostatic. (See [Electrostatic Accumulator].)
Accumulator, Storage. A storage-battery.
Acid. A compound of hydrogen capable of uniting with a base to form salts.
Sour, resembling vinegar.
A sharp, biting fluid.
Acidometer. A hydrometer used to determine the gravity of acids. It is employed chiefly in running storage-batteries to determine when the charge is complete.
Adapter. A screw-coupling to engage with different size screws on either end, and used chiefly to connect incandescent lamps to gas-fixtures.
Adherence. The attraction between surfaces of iron due to electro-magnetic action. The term is used in connection with electric brakes—electro-magnetic adherence.
Adjustment. Any change in an apparatus rendering it more efficient and correct in its work.