DE97668C - - Google Patents
Info
- Publication number
- DE97668C DE97668C DENDAT97668D DE97668DA DE97668C DE 97668 C DE97668 C DE 97668C DE NDAT97668 D DENDAT97668 D DE NDAT97668D DE 97668D A DE97668D A DE 97668DA DE 97668 C DE97668 C DE 97668C
- Authority
- DE
- Germany
- Prior art keywords
- involute
- base circle
- forms
- draftsman
- tangent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/08—Non-circular-curve-drawing instruments for drawing involutes
Landscapes
- Sheet Holders (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE97668C true DE97668C (enrdf_load_stackoverflow) |
Family
ID=368698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT97668D Active DE97668C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE97668C (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2923368A (en) * | 1955-06-13 | 1960-02-02 | Sun Oil Co | Method and apparatus for seismic prospecting |
FR2556655A1 (fr) * | 1983-12-19 | 1985-06-21 | Menez Jean Michel | Traceur de developpante de cercle |
-
0
- DE DENDAT97668D patent/DE97668C/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2923368A (en) * | 1955-06-13 | 1960-02-02 | Sun Oil Co | Method and apparatus for seismic prospecting |
FR2556655A1 (fr) * | 1983-12-19 | 1985-06-21 | Menez Jean Michel | Traceur de developpante de cercle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE97668C (enrdf_load_stackoverflow) | ||
DE170725C (enrdf_load_stackoverflow) | ||
DE305710C (enrdf_load_stackoverflow) | ||
DE248192C (enrdf_load_stackoverflow) | ||
DE199831C (enrdf_load_stackoverflow) | ||
DE6653C (de) | Federhalter, welcher gleichzeitig die Hülse für einen verschiebbaren Bleistift bildet | |
DE227143C (enrdf_load_stackoverflow) | ||
DE80622C (enrdf_load_stackoverflow) | ||
DE65180C (de) | Federhalter in Verbindung mit einem Löschblatt | |
DE134192C (enrdf_load_stackoverflow) | ||
DE279488C (enrdf_load_stackoverflow) | ||
DE15278C (de) | Universal-Unterrichtsmaschine | |
DE10395C (de) | Metallene, elastische Stifthalter an Notizbüchern, Brieftaschen etc | |
DE300356C (enrdf_load_stackoverflow) | ||
DE1479730U (enrdf_load_stackoverflow) | ||
DE215157C (enrdf_load_stackoverflow) | ||
DE117136C (enrdf_load_stackoverflow) | ||
DE155549C (enrdf_load_stackoverflow) | ||
AT37974B (de) | Klemme für Schriftstücke, Notizbücher und dgl. | |
DE548736C (de) | Klemmvorrichtung fuer ungelochte, Schreibzwecken dienende Blaetterstapel, gebildet aus einer Unterlage mit federnder Klemmbacke und einem zum Anheben und Sichern der Klemmbacke in Offenstellung dienenden Glied | |
DE856571C (de) | Vorrichtung zum Vereinigen loser Blaetter zu einem Notizblock | |
DE7881C (de) | Schreibfeder- und Schieferstifthalter mit Vorrichtung für die richtige Fingerhaltung | |
DE109840C (enrdf_load_stackoverflow) | ||
DE208688C (enrdf_load_stackoverflow) | ||
DE49666C (de) | Lineal |