Analytical Chainomatic Balance No. 15

A most efficient and serviceable balance for routine laboratory work.

Capacity	200 grams.
Sensitiveness	1/20 mg. with 100 gram load, (1/10 mg. with full load.)
Column	Graduated, column and vernier, reading from 1/10 mg. to 100 mg. No riders or small weights required.
Beam	15 cm. (6″) long, sawed from hard rolled special aluminum alloy, having great tensile strength and uniform density. Will sustain full load without flexure and maintain adjustment through varying temperature changes.
Knife Edges	Agate
Bearings	Agate planes. All edges are entirely freed from the bearings, when the balance is arrested.
Releasing Mechanism	Fall away type, a simple and effective arrestment for beam and agate edges.
Pans	Nickel silver, 6 cm. (2 3/8″) diam.
Bows	Nickel silver, 10 1/4 cm. wide by 20 cm. high inside. (4 1/8″ x 8″.)
Pan Arrest	Independent arrest for pans with stop.
Case	Dimensions over all 16 1/2″ long, 9 1/4″ deep, 18 1/2″ high. Polished mahogany, with glass sides and top, front sliding door counterpoised, rear door removable. Mounted on black plate glass. With vial levels and leveling screws.
Measurements	30″ x 16″ x 25″.
Net Weight	23 lb.
Shipping Weight	Domestic, 70 lb.; Export, 72 lb.
Code Word	ANNOUNCE.
Code Word	Balance with Movable Index, “Auto-Dex” ANNODEX.