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    2. Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]

    Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]

    1

    29.57 USD(tax included)

    ／53.23 USD (Excluding tax)

    Sales unit: 1 piece

    Application number: / Manufacturer: / Model number: m94423731142 / JAN code: / AS ONE / NAVIS Product number:

    Application number
    Manufacturer
    Model number m94423731142
    JAN code
    Sales unit 1 piece
    Price 29.57 USD (tax included) / 53.23 USD (Excluding tax)

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    Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]

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    Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]

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    Delivery date: 2026-07-03 Later
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    Product features
    Category
    Rulers & Drafting Supplies
    Brand
    RICOH
    Condition
    Some scratches/marks
    Shipping
    Included in price (by seller)
    From
    Fukuoka
    Manufacturer name - Brand name -
    remarks [About returns] We cannot accept returns due to customer's convenience.
    Product details Ricoh Slide Rule No. 505 / Pocket Type
    [Includes Instruction Manual & Storage Case]

    This is an analog calculating tool called a slide rule (keisanjaku) that was widely used during the Showa era.

    Product Details
    ○ Manufacturer/Model: RICOH (formerly Riken Optical Industries, San-ai Keiki, etc.) No. 505, a 5-inch, pocket-sized, single-sided model.
    ○ Features: By sliding the sliding scale (zubeshaku) in the center, which is engraved with scales, left and right to align numerical positions, advanced calculations such as multiplication, division, square roots, and logarithms can be performed quickly.
    ○ Special Notes: The organization name Kyushu High Pressure Gas Safety Association is printed on the lower part of the back, suggesting it was a special novelty item distributed as a commemorative gift for seminar participants or members, or possibly a company-issued item at the time.
    It was a must-have item for engineers, researchers, and students until the advent and popularization of electronic scientific calculators in the late 1970s. It is no longer produced and appears to be traded among collectors as a Showa retro vintage item.

    There are some minor stains and fading due to long-term home storage. It is considered to be in relatively good condition for its age, but we ask for your consideration if you understand that it is a home-stored item.
    All items shown in photo 1 are included.
    Click here for the manufacturer's site Open in new window Easy to find furniture and interiors! Click here for Askul's general furniture TOP page. Open in new window Consultation on layout, various construction works, and delivery dates! Click here for the ASKUL office creation service. Open in new window

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    In this service, we strive to display the latest product information on the site, but product standards and specifications (capacity, packaging, raw materials, country of origin, etc.) may change due to manufacturer circumstances. For this reason, the product information displayed on the site may differ from the actual product you receive, so please be sure to check the product label and precautions of the product you receive before use. If you require further product information, please contact the manufacturer. Also, the notation "set" in the sales unit does not guarantee delivery in a box. Thank you for your understanding.

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    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]
    • Rare Ricoh Slide Rule No. 505 / Pocket Type [With Instruction Manual & Storage Case]

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