Gilbert Catalog
Price in 1950: $4.95
Ingenious accessory — fascinating in action! Consists of realistic lattice-work structure patterned after steel derricks seen in Western oil fields. Center Tube contains amber liquid resembling crude oil. Heat bulb concealed in base causes bubbles to rise in tube, giving illusion of gushing oil. 12" high. Base 5" square.
Price $4.95. Denver and West, $$.25.

Price in 1950: $4.95
Highly ingenious accessory. Realistic girder-type structure has center pipe filled with oil-colored liquid which rises to top of derrick. 12" high, 5" square.
Price, $4.95. Denver and West, $5.25.

Price in 1951: Unlisted
Ideal to use in combination with Oil Supply Depot or, in multiple, can be used to create life-like Western oil field scene. Latticework-type structure houses tube containing amber fluid resembling crude oil. In operation, liquid appears to be pumped from ground, giving gushing·oil illusion. Continuous action; no buttons to push. 12" high; base 5" square.

Price in 1952: Unlisted
Use in multiple to create Western oil Field scene! Tube containing amber fluid resembling crude oil appears to be pumped from ground, giving gushing-oil illusion. 12” high; base 5" square.