Geology at sea, 1952-1953(?) [short clips]

Short clips and outtakes for the educational film Geology at Sea, include views of geologist sampling rocks, the Velero IV and her auxiliary boats running, some in Los Angeles Harbor, winch operation, and dredge operations, ca. 1952-1953. Captain Allan Hancock and others are present. A short clip of a sea lion is at the end. “Geol. At sea” -- container. 24 frames per second. 170.4 feet. 8 rolls: (1) On 2-inch green core, "Front - out orig."; (2) "Winch Hancock Emery Orig." -- Partial digitization due to shrinkage; (3) Unlabeled (on 2-inch green core); (4) Not labeled; (5) Not labeled -- Partial digitization due to shrinkage; (6) "VII Under - Fish(?) Orig." - Partial digitization - first 1-2 feet clipped due to shrinkage, portion at tail clipped due to shrinkage; (7) Not labeled. (8) Marine Geology original trims – Not digitized due to shrinkage. Double-perforation; emulsion out; color; positive; MOS.

本数据集收录教育影片《海上地质学》（Geology at Sea）的短片段与未采用镜头，内容涵盖地质学家采集岩石样本、“维莱罗四号”（Velero IV）及其辅助艇的作业画面（部分取景于洛杉矶港）、绞车操作与疏浚作业场景，拍摄时间约为1952至1953年。艾伦·汉考克船长（Captain Allan Hancock）及其他人员出镜。片尾附带一段海狮的短镜头。存储容器标注为“Geol. At sea”。

素材帧率为24帧/秒，总片长170.4英尺，共计8卷，各卷详情如下：
(1) 搭载于2英寸绿色片芯，标注"Front - out orig."；
(2) 标注"Winch Hancock Emery Orig."，因片基收缩仅完成部分数字化；
(3) 无标注（搭载于2英寸绿色片芯）；
(4) 无标注；
(5) 无标注，因片基收缩仅完成部分数字化；
(6) 标注"VII Under - Fish(?) Orig."，因片基收缩导致首尾各1-2英尺片段缺失，仅完成部分数字化；
(7) 无标注；
(8) 标注"Marine Geology original trims"，因片基收缩未完成数字化。

素材属性为双齿孔片基、药膜朝外、彩色正片、无同步音轨（MOS）。