Gilbert Catalog
Price in 1949: $2.95
Contains 150 power microscope and Polaroid Jr. Microscope has tilting device, wheel focusing, and spring clips to hold slide and polarizer. Scope has adjustable mirror. Glass slides, specimens, cover glasses, dissecting needles and illustrated manual come with set. $2.95. Denver and west, $3.10.

Price in 1950: $2.95
Ideal for the young scientist — and priced to make it an outstanding value! Microscope magnifies 60 times, and has Polaroid equipment to bring out gorgeous colors of specimens. Polaroid cap fits on top of eyepiece; Polaroid slide slips beneath stage. When turned, Polaroid lens reveals magnificent colors not seen with ordinary microscopes. 'Scope has tilting device, adjustable knob for focusing, slide clips and adjustable mirror. Dissecting needles and specimens also packed with set. Large manual is illustrated. Set measures 18" x 10" x 2 1/2". Price, $2.95. Denver and West, $3.10.