Item F3871 - Karl Langer parallel roller ruler

Identity area

Reference code



Karl Langer parallel roller ruler


  • 1868-1891 (Creation)

Level of description


Extent and medium

1 parallel roller ruler, in timber box 11 x 64 x 6 cm.

Context area

Name of creator


Administrative history

From 1850 the business was known as Flavelle Brothers, run by John and Henry Flavelle. John Roberts joined the brothers in 1868 when the firm became know as Flavelle Bros & Roberts. In 1891 Robert Sankey became a partner the firm. From that time the firm was known as Flavelle, Roberts and Sankey.

Archival history

John Riedel assisted in dispersing the Estate of Gertrude Langer.

Immediate source of acquisition or transfer

Content and structure area

Scope and content

Karl Langer's parallel rolling ruler in timber box. Inscribed on the rule is: Flavelle Bros. & Roberts, Sydney & Brisbane. Possibly made between 1868 and 1891. The brass ruler features two rollers set into top and penetrating to underneath, double-edged rule, and a handle at either end. On the bottom of the lid "S.1" has been carved into the timber.

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Conditions of access and use area

Conditions governing access

Unrestricted access.

Conditions governing reproduction

Language of material

  • English

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Related units of description

Related manuscript material is held at UQFL158 Karl Langer Papers

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Dates of creation revision deletion

Created, Linda Justo, 24-Nov-2023.




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