BE404242A - - Google Patents
Info
- Publication number
- BE404242A BE404242A BE404242DA BE404242A BE 404242 A BE404242 A BE 404242A BE 404242D A BE404242D A BE 404242DA BE 404242 A BE404242 A BE 404242A
- Authority
- BE
- Belgium
- Prior art keywords
- marks
- dial
- oblique line
- columns
- index
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/02—Indicating arrangements
Landscapes
- Optical Communication System (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404242A true BE404242A (ca) |
Family
ID=69654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404242D BE404242A (ca) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE404242A (ca) |
-
0
- BE BE404242D patent/BE404242A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE404242A (ca) | ||
| NO123011B (ca) | ||
| FR2467427A1 (fr) | Horloge solaire | |
| US2782088A (en) | Sunlight duration recorder | |
| FR2572831A1 (fr) | Dispositif pour representer les positions et aspects des astres du systeme solaire par rapport au zodiaque et a la terre | |
| BE399812A (ca) | ||
| CH447626A (fr) | Appareil pour exécuter la perspective centrale d'un objet éloigné, et procédé de mise en action de l'appareil | |
| BE506518A (ca) | ||
| BE513682A (ca) | ||
| FR2473737A1 (fr) | Dispositif pour la projection d'images a partir d'au moins deux appareils | |
| BE462037A (ca) | ||
| FR2473172A1 (fr) | Dispositif de pesage et de mesure de force | |
| CH307354A (fr) | Machine typographique à composer photographiquement. | |
| CH601776A5 (en) | Surveyor's expanding scale assembly | |
| BE336673A (ca) | ||
| CH131521A (fr) | Dispositif indicateur de réglage pour appareil de T. S. F. | |
| FR2730559A1 (fr) | Appareil de mesure des longueurs a echelle adaptable | |
| BE378249A (ca) | ||
| BE334903A (ca) | ||
| BE466223A (ca) | ||
| BE378232A (ca) | ||
| FR2507766A1 (fr) | Regle graduee extensible | |
| CH171195A (fr) | Appareil pour réclames avec jeux de couleurs. | |
| CH326200A (fr) | Plaque-alphabet | |
| BE536381A (ca) |