Motion pictures and filmstrips, January-June 1970

by Library of Congress. Copyright Office

Graphics. 30 sec. © 1Mar70; MP20490.

Sandwich panel. CP-480-2-60. © 1Mar70 (in notice: 1969); MP20495.

Sandwich panel. CP-480-4-30. 30 sec. © 1Mar70 (in notice: 1969); MP20494.

Sandwich panel. CP-480-6-20. 20 sec. © 1Mar70 (in notice: 1969); MP20493.

Sandwich panel. CP-480-8-10. 10 sec. © 1Mar70 (in notice: 1969); MP20492.

QUANTITATIVE CHEMISTRY LABORATORY TECHNIQUES. See

MEASURING VOLUMES OF SOLIDS AND LIQUIDS.

PIPETTING 1, CLEANING AND USING A TRANSFER PIPET.

PIPETTING 2, GRADUATED PIPET AND 3-VALVE BULB.

TITRATION.