Analytical Balance No. 8A
Dimensions over all 16 1/2 in. long. 9 1/4 in. deep. 18 1/2 in. high. Polished mahogany, with glass sides and top, front sliding frame counterpoised rear frame removable. Mounted on black plate glass. With vial levels and leveling screws.
Capacity | 200 grammes |
Sensitiveness | 1/20 mg under full load |
Beam | Aluminum, 7 in. long great tensile strength and uniform density. Will sustain full load without flexure and maintain adjustment through varying temperature changes. Graduated both sides, 1/10 mg to 10 mg |
Knife Edges | Agate |
Bearings | Agate planes. All edges are entirely freed from the bearings, when the balance is arrested. |
Releasing Mechanism | The supporting points of the arrest arms move through the same are as the supporting points of the beam, so that contact between edge and bearing always remain the same; the shifting of the beam with the consequent dulling of the agate edges rubbing over their respective bearings being precluded |
Pans | Nickel silver, 2 3/8 in diam. |
Bows | Nickel silver, 4 1/8 in. wide by 8 in. high inside |
Pan Arrest | Independent arrest for pans with automatic stop |
Shipping Weight – Domestic 64 lb.; export, 69 lb