Triple Unit Assembly "O" manufactured by United Technical Publications, listed as WT-243 (circa 1965).

Double Unit Assembly “K" manufactured by United Technical Publications, listed as NT-242 (circa 1965).

Double Unit Assembly "H" manufactured by United Technical Publications, listed as WT-242 (circa 1965).

Single Unit Assembly “D“ manufactured by United Technical Publications, listed as NT-241 (circa 1965).

Single Unit Assembly "B" manufactured by United Technical Publications, listed as WT-241 (circa 1965).

Same as SI-4212 except outer track ball bear- 275 lbs manufactured by United Technical Publications, listed as SI-4012 (circa 1965).

Same, but outer track ball bearing, inner track dry lubricated friction type; quick detach fa cility; locks in extended position; height 2 '; 12 " long; 12 ' travel manufactured by United Technical Publications, listed a...

Full ball-bearing slide 12' long; 12' travel; height, 2 '; inner members do not disconnect or tilt; aluminum extrusions of 2014T6 per QQ-A- 261; precision broached for flawless ope manufactured by United Technical Public...

K Chrome-plated 34' steel rod; 334' mtg. centers manufactured by United Technical Publications, listed as H-9160 (circa 1965).

I Silver-anodized die-cast aluminum; 4' x £4' mtg centers; 134' hand clearance; four 34 ' x 10 manufactured by United Technical Publications, listed as H-9150 (circa 1965).