Circular.
- Publisher: Engineering Extension Service
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 35963103
- Subject: Engineering Periodicals.
- Subject code: T
- Publication history: Began with: No. 1 (Apr. 1923); ceased with: no. 11 (Oct. 1929).
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.2; no.3 1924; no.4 1924; no.5 1924; no.6 1924; no.7 1925 | permanent |
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | no.1-no.4 (1923-1924), no.6-no.11 (1924-1929) | |
| University of Florida (FUG) | Florida Academic Repository (FLARE), Scholars Trust | no.1(1923)-no.11(1929) | 20351231 |