Research Tools developed by Takeshi Nakagawa

Introduction

The tools on this page are spin-offs from several scientific drilling projects, including 'Suigetsu Varves 2006' (http://www.suigetsu.org/index.html), 'Suigetsu Varves 2014', and 'Comparative Studies on Ancient American Civilizations' (http://dendro.naruto-u.ac.jp/csaac/). If you want to purchase any of the products, or for any other questions, please contact Takeshi Nakagawa by Email (nakag(at)fc.ritsumei.ac.jp).

Computer programs developed by Takeshi are here.

Palynospheres:
- YouTube video (https://youtu.be/yKqUD32pV6c)
- 2017 AGU Poster
- Link to the manufacturer (Palynotech)
- User manual (Journal site, pdf)

PolyCounter special keyboard:
- YouTube video (https://youtu.be/fs_hgkj0IYE)
- 2017 AGU Poster
- PolyCounter keyboard* (jpg) is available at 72,000 JPY (or 670 USD or 600 EUR) plus shipping cost (purchase order).
- If you are a DIY person, you can also choose a kit of PolyCounter keyboard (jpg, ARDUINO sketch) with full assembly instruction, which is available at 42,000 JPY (or 390 USD or 330 EUR) plus shipping cost (purchase order).
- Link to the PolyCounter free software is here.

*This new product replaces previous PolyCounter special keyboard (jpg) produced by Keytec.

'Biwako ver.2' portable core image scanner:
- YouTube video (https://youtu.be/RwADdRv2hrw)
- 2017 AGU Poster
- Biwako ver.2 is only available as a kit for DIY lovers (who own a 3D printer - sorry, this is a must). A complete package of materials, stl files for plastic joints (to be produced by a 3D printer), and full instruction will be yours at 72,000 JPY (or 670 USD or 600 EUR) plus shipping cost (purchase order). N.B. The kit does NOT include camera, 3D printer and filaments.
- Lumix GX850 (or its Japanese equivalent GF9): compact camera recommended for Biwako ver.2.
- Plastic and wooden parts: 'Loose' and 'Tight' versions (with different clearances for joints)
- Aluminum angles (cutting strategy): ppt, pdf
- User manuals:
  - DIY instruction: (Ja, En)
  - Assembly manual: (Ja, En)
  - Operation manual: (Ja, En)
- Microsoft Image Composite Editor (Free software for panoramic composition): Web link
- Panoramic composition sample pictures: zip

Double-L (LL) channel:
- YouTube videos
  - https://youtu.be/v5TEQ8omnr0
  - Old Video
    - https://youtu.be/SsgYG6VNW5Q
- 2017 AGU Poster

Note: If you are desperate, you can buy 19 mm plastic LL-channel from us, which is specifically designed to be used with three-sided cubes (see below). However, you can find aluminum or plastic L-angles in a wide range of sizes either online or from your nearest hardware store. FYI, the formats thaw we often use include 12 x 12 x 1 mm, 15 x 15 x 1 mm, and 20 x 20 x 1 mm.

Sediment slicers:
- Centi-slicer:
  - YouTube videos:
    - https://youtu.be/o7TVbzNDT1A
    - Old videos (prototype):
      - How it works: https://youtu.be/LsZNVvJyaqg
      - Overview: https://youtu.be/q_-D24zzzTA
      - Close-up: https://youtu.be/qC0SfJHQtIQ
  - Photos (production model): jpg (1), jpg (2)
- Milli-slicer:
  - YouTube videos:
    - https://youtu.be/0w2NNXOEn-I
    - Old videos (prototype):
      - How it works: https://youtu.be/PacliEeKfSE
      - Overview: https://youtu.be/FUxLAoRGsUI
      - Setting up-1: https://youtu.be/6vu8hSWivjI
      - Setting up-2: https://youtu.be/fY7BRLoPwoI

Three-sided cubes:
- YouTube video (https://youtu.be/s333m26jGNM)
- 2017 AGU Poster

Handy centrifuge:
- YouTube videos
  - How it works: https://youtu.be/DPgkkOY-3m0
  - Overview: https://youtu.be/QjIx3FKZE5w
- stl and 123dx files

References

(Under construction)

For further information and sales inquiries, contact the author:
Professor Takeshi Nakagawa
Research Centre for Palaeoclimatology, Ritsumeikan University
1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577 JAPAN
nakag(at)fc.ritsumei.ac.jp
Last updated: 30 Nov., 2019.