Pentel Mechanical Pencil 0.3mm
Pentel Mechanica Graph with gold ring
First Edtion (engraved "JAPAN 6") 1960s
| Hasegawa Space Shuttle Orbiter 1:200 & Tamiya Mini 4WD Toyota 4Runner (1) | 2019.01.27 |
|---|---|
| Retro-51 Tornado Ballpen (0) | 2019.01.25 |
| Pilot Pencil 0.5mm HTR-100S-S (0) | 2019.01.10 |
| Faber Castell DS75 (0) | 2018.12.20 |
| OHTO SUPER PROMECHA (0) | 2018.10.19 |
| Retro-51 Tornado Ballpen (0) | 2019.01.25 |
|---|---|
| Pentel PMG (0) | 2019.01.25 |
| Faber Castell DS75 (0) | 2018.12.20 |
| OHTO SUPER PROMECHA (0) | 2018.10.19 |
| Pentel PG2003 (0) | 2018.10.18 |
Faber Castell DS75
The first mechanical pencil which has automatic-feed system.
Sturdy, without any clearance.
| Pentel PMG (0) | 2019.01.25 |
|---|---|
| Pilot Pencil 0.5mm HTR-100S-S (0) | 2019.01.10 |
| OHTO SUPER PROMECHA (0) | 2018.10.19 |
| Pentel PG2003 (0) | 2018.10.18 |
| Tombow variable 0.3mm (old edition, disassembly, mechanism) (0) | 2018.10.01 |
주어진 문제는 다음과 같습니다.
풀이과정은 어렵지 않으므로 생략하고 조건을 만족시키는 함수 f(x)를 찾아보겠습니다.
| Book Stacking problem trial (0) | 2018.09.09 |
|---|---|
| elliptical gear and the Cometarium (0) | 2018.07.25 |
| Scalar(Inner) product, circle and power of a point. (0) | 2018.06.23 |
| Latus rectum (0) | 2016.12.12 |
| 로피탈 정리 사용하지 않고 (x-sinx)/x^3 의 극한 구하기 (6) | 2016.09.26 |
OHTO SUPER PROMECHA 0.3mm version history
1. PM-1003S ver.1
2. PM-1003S ver.2
3. PM-1503S
4. PM-1503P
| Pilot Pencil 0.5mm HTR-100S-S (0) | 2019.01.10 |
|---|---|
| Faber Castell DS75 (0) | 2018.12.20 |
| Pentel PG2003 (0) | 2018.10.18 |
| Tombow variable 0.3mm (old edition, disassembly, mechanism) (0) | 2018.10.01 |
| Montblanc Noblesse silver pencil 0.5mm (0) | 2018.08.28 |
PENTEL PG2003
| Faber Castell DS75 (0) | 2018.12.20 |
|---|---|
| OHTO SUPER PROMECHA (0) | 2018.10.19 |
| Tombow variable 0.3mm (old edition, disassembly, mechanism) (0) | 2018.10.01 |
| Montblanc Noblesse silver pencil 0.5mm (0) | 2018.08.28 |
| Soviet USSR BM-2 barometer/hygrometer/thermometer (0) | 2018.08.22 |
(clearance tuning with taping)
| OHTO SUPER PROMECHA (0) | 2018.10.19 |
|---|---|
| Pentel PG2003 (0) | 2018.10.18 |
| Montblanc Noblesse silver pencil 0.5mm (0) | 2018.08.28 |
| Soviet USSR BM-2 barometer/hygrometer/thermometer (0) | 2018.08.22 |
| KL-1 Circular Slide Rule (disassembly and inner mechanism) (0) | 2018.08.04 |
