Laboratory Jack / ג'קים
752 - Laboratory jack, made from 
        stainless steel. The platform is
        13 x 16 cm
753 - The same as 752 with platform -
        20x20 cm.
754 - Laboratory Jack. The Platform is 
        15x12 cm. The mechanism provides
        6 to 22 cm elevation.
755 - The platform is 20x16 cm. It
        provides 7 to 32 cm elevation.
756 - The same as No. 755 but with
        platforms 20x20 cm.