Object Details maker Sargent-Welch Company Description This clear plastic slide rule was designed to introduce students to the instrument using an overhead projector. The base of the rule has an A ...

Agfacolor 50 Automatic slide projector manual, English instructions are on the 4th page. circa 1970s-1980s (?)mudworm.neocities.org ...

2. Section 39.13 is amended by removing Amendment 39-11111 ( 64 FR 16801), and by adding a new airworthiness directive (AD), Amendment 39-11827, to read as follows: 2000-14-16 Bell Helicopter Textron ...