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  • Description: proof
(26 results)



Display: 20

    • Beach at East 38th Street

    • Cleveland (Ohio); Waterfronts; Lake Erie; Beaches; East 38th St. (Cleveland, Ohio)
    • "Bodner, save this photo as legal proof of where Lake Shore Sawmill & Bldrs supply fill was before Shore Drive - Beach at East 38th St. - Lakefront - Gen - 1930-38" - photo verso.
    • Machine shop equipment at Proof Industries

    • Machine industry; Proof Industries; Clark Cable Corporation; Cable industry; Drilling; Hydraulics
    • The machine shop seen in temporary silence at Proof Industries. This division of Clark Cable Corporation manufactured hydraulic valves for military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive...
    • Machine shop equipment at Proof Industries

    • Machine industry; Proof Industries; Clark Cable Corporation; Cable industry; Drilling; Hydraulics
    • Various pieces of equipment at Proof Industries. This division of Clark Cable Corporation manufactured hydraulic valves for military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive electrical...
    • Group of employees operate machinery at Proof Industries

    • Machine industry; Proof Industries; Clark Cable Corporation; Employees; Cable industry; Drilling; Hydraulics
    • A group of male employees operate various pieces of machinery at Proof Industries. This division of Clark Cable Corporation manufactured hydraulic valves for military aircrafts. Clark Cable Corporation was incorporated for the purpose of...
    • Employees at Proof Industries operate equipment

    • Machine industry; Proof Industries; Clark Cable Corporation; Employees; Cable industry; Drilling; Hydraulics
    • A group of employees at Proof Industries operate various hydraulics equipment. This division of Clark Cable Corporation manufactured hydraulic valves for military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing...
    • Proof Industries employees using drill presses

    • Proof Industries; Clark Cable Corporation; Machine industry; Employees; Drilling & boring machinery; Hydraulics
    • Employees of Proof Industries, a division of Clark Cable Corporation, use drill presses for the manufacturing of hydraulic valves. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive electrical accessories such as...
    • Two employees at Proof Industries using machinery

    • Proof Industries; Clark Cable Corporation; Machine industry; Employees; Hydraulics
    • Two employees at Proof Industries, a division of Clark Cable Corporation, work with various machinery to produce hydraulic valves for use in military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive...
    • Employees at Proof Industries use various machinery

    • Proof Industries; Clark Cable Corporation; Machine industry; Employees; Hydraulics
    • Group of workers at Proof Industries, a division of Clark Cable Corporation, manufacture hydraulic valves to be used in the production of military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive...
    • Employees of Proof Industries using Screw machinery

    • Proof Industries; Clark Cable Corporation; Machine industry; Employees; Screws; Hydraulics
    • Employees of Proof Industries, a division of Clark Cable Corporation, that focuses on the manufacturing of hydraulic valves for military aircrafts. Clark Cable Corporation was incorporated for the purpose of manufacturing automotive electrical...
    • Melting brass for battery terminals at Proof Machine & Brass Foundry

    • Proof Machine & Brass Foundry; Employees; Foundries; Electric batteries; Machine industry; Clark Cable Corporation
    • Employee of Proof Machine & Brass Foundry melts brass for use in battery terminal construction. Proof Machine & Brass Foundry was a non-ferrous foundry making brass battery terminals located at 936 East 72nd Street in Cleveland, Ohio. Proof Machine...
    • Sorting of brass battery terminals at Proof Machine & Brass Foundry

    • Proof Machine & Brass Foundry; Employees; Foundries; Electric batteries; Machine industry; Clark Cable Corporation; Brass castings
    • Several employees sort, clean and prepare brass battery terminals. Proof Machine & Brass Foundry was a non-ferrous foundry making brass battery terminals located at 936 East 72nd Street in Cleveland, Ohio. Proof Machine & Brass Foundry was a...
    • Operation of a press at Proof Machine & Brass Foundry

    • Proof Machine & Brass Foundry; Employees; Foundries; Electric batteries; Machine industry; Clark Cable Corporation; Brass castings
    • Two employees operate a piece of pressing\stamping equipment used during the assemblage of battery terminals at Proof Machine & Foundry. Proof Machine & Brass Foundry was a non-ferrous foundry making brass battery terminals located at 936 East 72nd...
    • Drilling holes into battery terminals at Proof Machine & Brass Foundry

    • Proof Machine & Brass Foundry; Employees; Foundries; Electric batteries; Machine industry; Clark Cable Corporation; Brass castings; Drilling & boring machinery; Drilling
    • Employee of Proof Machine & Brass Foundry uses drilling equipment to drill holes into battery terminals. Proof Machine & Brass Foundry was a non-ferrous foundry making brass battery terminals located at 936 East 72nd Street in Cleveland, Ohio....
    • Assembling battery terminals

    • Proof Machine & Brass Foundry; Employees; Foundries; Electric batteries; Machine industry; Clark Cable Corporation; Brass castings; Moldings
    • Several employees assemble battery terminals by pressing them into molds. Proof Machine & Brass Foundry was a non-ferrous foundry making brass battery terminals located at 936 East 72nd Street in Cleveland, Ohio. Proof Machine & Brass Foundry was a...

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