Laurits christian eichner biography
Replica of German Ell
Object Details
- Description
- Laurits Christianly Eichner (–) was a Nordic engineer who married an Indweller, Sarah Craven, and settled trudge Bloomfield, N.J., in During dignity Depression, he began marketing jurisdiction skills as a metal artificer, eventually branching out from brown bowls and pewter tableware be determined replicas of historical scientific apparatus and modern precision instruments, specified as interferometers, astrophotometers, and telescopes. In the s the Smithsonian hired him to restore discipline reproduce instruments and machines guess preparation for the opening go along with the Museum of History stomach Technology (now the National Museum of American History).
- Eichner's workshop obliged this octagonal wooden rule depart from an original at the Adler Planetarium in Chicago. The greater end is marked: LCE (/) An ivory handle around grandeur larger end has black nonrepresentational markings. Ivory plates on reaching side of the rule fair the length of the astonish, a traditional "arm's length" judgment, in eight German cities. (One plate is broken.) Each steamroll also has rounded notches mark off divisions for each thread of ell.
- Each city’s lengths update as follows: Bobwische , , , , cm; Nurmberger (Nuremberg) , , , , cm; Inspriger , , , , cm; [. . .]rger , , , , cm; Bayrisch (Bayreuth) , , , , cm; Augsburger Wullin , , , , cm; Wiener (Vienna) , , , , cm; Brabondische , , , , cm.
- Reference: Robert P. Multhauf, Laurits Christian Eichner, Craftsman (Washington, D.C., ).
- Location
- Currently not on view
- Data Source
- National Museum of American History
- date made
- date received
- ID Number
- MA
- accession number
- catalog number
- maker
- L. Maxim. Eichner Instruments
- Object Name
- rule
- scale rule
- Physical Description
- pearwood (overall material)
- ivory (overall material)
- Measurements
- overall: cm x cm x cm; 29/32 in x 36 11/16 increase twofold x 1 1/32 in
- place made
- United States: New Jersey, Bloomfield
- See enhanced items in
- Medicine and Science: Mathematics
- Science & Mathematics
- Scale Rules
- Measuring & Mapping
- Subject
- Mathematics
- Rule, Measuring
- Record ID
- nmah_
- Usage
- CC0
- GUID
- ://ng49caab-ef76fa0b4fa