HOW THE EYE FUNCTIONS. c1941. 1 reel.
© Kurt Karl Bosse; 20Jul41; MP13065.
HOW TISSUE SLIDES ARE MADE. Zachariah Subarsky. 23 min., si., b&w, 16mm.
Summary: Shows how to prepare muscle tissue from a frog's leg for use on a microscope slide.
© Zachariah Subarsky; title, descr., & 6 prints, 9Jan48; MU2647.
HOW TO ADD FRACTIONS. Johnson Hunt Productions, c1947. 1 reel, sd., color, 16mm.
Appl. author: Silas Edward Johnson.
© Johnson Hunt Productions; 6May47; MP1999.
HOW TO BE A SAILOR. Walt Disney Productions, c1943. 1 reel. (A Walt Disney Goofy)
© Walt Disney Productions; 15Dec43; LP12674.