Accession No

1565

Brief Description

Brass assay balance by L. Oertling, 1899

Origin

London; England

Maker

Oertling, L.

Class

balances

Earliest Date

1899

Latest Date

1899

Inscription Date

1899

Material

metal; (brass, steel); wood (mahogany); ivory; stone (agate); glass

Dimensions

beam 152mm; case 510mm h x 360mm w x 263mm deep

Special Collection

Provenance

Donated by D. Stockdale in 1946.

Inscription

‘Oertling MADE IN ENGLAND’ (case)
‘L Oertling London. 7223’ (base)
‘24588/48407’ (in pencil under drawers)

Description Notes

Brass; open triangle beam; agate centre knife-edge and split end-knives; steel index moves over ivory scale. Brass flag over beam for adjustment. Beam graduated for riders. Steel J wires with agate planes marked ‘L’ and ‘R’. Steel stirrup hangers with platinised metal pans. Supported on double circular pillars mounted on square base; two bubble levels with mutually perpendicular axes; knurled brass screw holds plate to base. Knurled headed brass screw operates arresting mechanism and raises two ivory and (?) agate headed knobs to arrest pans. Horizontal member supports beam. Pivoting arm with mirror strip reflects the beam scale.
Double rider slide operated by brass knurled screws outside case; plate glass base; fitted mahogany case with two half drawers with ivory handles. 3 brass levelling feet. Glazed all round with sliding front panel. Drawers contain phials, tweezers, spare index &c.
Oertling model 12SBA, early version with 12SB sloping beam; also beam mirror. In most respects as 1909 cat. The earliest definite 12SBA.

Condition

References

Events