![[Pollen Grain and Flower Stigma]](https://collections.chicagofilmarchives.org/media/cfa/images/5/1/68437_ca_object_representations_media_5143_small.jpg)
Microscopic time-lapse footage of a pollen grain and the stigma of a flower exchanging contact and producing growth activity in six segments.
![[Pollen Grain and Activated Protoplasm]](https://collections.chicagofilmarchives.org/media/cfa/images/5/1/27984_ca_object_representations_media_5144_small.jpg)
Microscopic time-lapse footage of a pollen grain and the stigma of a flower in two segments.
A microscopic time-lapse sequence which includes footage of a pollen tube's growth as well as ragweed pollen's emission of droplets of fluid while ...
This film consists of specimens photographed through a microscope. In 1936, Mervin W. LaRue Sr. established his own company, Mervin W. LaRue, Inc.,...
This film is John Ott’s 29-minute narrated version of Helen Tieken Geraghty’s one and a half hour musical stage ...
A short film that documents the experimental testing of the effects of full spectrum light versus fluorescent lighting upon human arm strength.