Tina's German Slide Rules

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Abaci

Addiators

Circular Slide Rules

Pocket Watch Slide Rules

Cylindrical Slide Rules

Mechanical Calculators

Scientific Instruments

Drawing Instruments

Slide Rule Books

British Slide Rules

French Slide Rules

German Slide Rules

American Slide Rules

Japanese Slide Rules

World Slide Rules

Blundell

British Thornton

Fearn's and Mear's

Unique

Aristo

Faber-Castell

Nestler

Hemmi

Relay/Ricoh

Dietzgen

Keuffel and Esser

Pickett and Eckel

Slide Charts

Electronics

Eco-Bra R.141

Eco-Bra R.143

Eco-Bra 1511

Eco-Bra Cosmos 1711

IWA 1640.

IWA 10159.

IWA (Ingenieurerburo fur Wirtschafliches Arbeiten), SR 722 Ma - IWA 0675, Wasserrohr-Rechner fur Druckwasser- und Abwasser Leitungen, Rohrreibung nach Colebrook. Water and Sewer Pipe Computer. 1974.

Meissner Variant

Reiss

Reiss Darmstadt

Reiss 3223 Progress

Reiss 3201 Rietz-Spezial

DR. Ing. Seehase Slide Rule.

Siemens and Halske Slide Rule.

Staedtler-Mars No.54403 Rietz.

Staedtler-Mars No.54455 Rietz-Scolaria. Based on the Nestler 251 Alpha but without the cm, Inch and Greek Alphabet.

Unknown Slide Rule purchased in Britain but maybe Koch Huxhold and Hannemann

Unknown Slide Rule purchased in Britain but maybe Koch Huxhold and Hannemann.

Unknown Slide Rule with similarities to the Veb Mantissa below, perhaps for Flow Injection Analysis but my knowledge of German is not good enough to work it out.

Veb Mantissa Multi, DDR.

Wichmann 474

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