The thinnest slice, 1949 [unlabeled trims & cutouts only]

Unlabelled trims and cutouts only (7 minutes) for a medical film entitled “The thinnest slice” written and produced Daniel H. Chapman, directed by George Pratt, at the University of Southern California, 1949.Sample preparation and slicing on microtome, 1949. A portion of an unidentified sample is immersed in a solution, placed on a small block and hardened. It is then mounted on a microtome which slices the sample thinly enough to be viewed under a microscope. Film slates indicate: Name Chapman; Project P114; Rolls 346, 348, 395. A very brief unrelated film of several men on a field expedition is inserted in the middle of the microtome footage. “Unlabeled trims and cutouts” -- container. 18 frames per second. 189 feet. Dual perforation. Emulsion out. B&w, positive, MOS.本数据集仅包含1949年南加州大学出品的医学影片《最薄切片》（The thinnest slice）未标注的剪辑片段与裁取素材，影片时长7分钟，由Daniel H. Chapman撰写并制作、George Pratt执导。影片内容涵盖1949年的切片机样本制备与切片流程：将一份未识别样本浸入溶液，置于小型载块并完成硬化处理，随后安装至切片机，将样本切至可在显微镜下观测的超薄厚度。影片片头标注板信息如下：负责人Chapman；项目编号P114；胶片卷号346、348、395。在切片机拍摄片段的中段，插入了一段与主题无关的简短野外考察影片，出镜者为数名男子。素材容器标注为"Unlabeled trims and cutouts"。帧率为每秒18帧，胶片长度189英尺，采用双齿孔片基，乳剂面朝向外侧（emulsion out），制式为黑白正片，无同步录音（MOS）。