bids are invited for 4-conductor, shielded, fep cable, 20-ft, socket plug to (3) bnc plugs (labelled x, y, z) , sound expert model 821 class 1 sound level meter , microphone extension cable, 5 pin switchcraft, 20 (6m) , class 1 acoustic calibrator with user selectable output of 94 or 114 db at 1 khz , platinum stock products; modally tuned impulse, hammer w/force sensor and tips , general purpose coaxial cable, white feb jacket, 10-ft, bnc plug to bnc plug , platinum stock products; miniature, lightweight (0.5gm) , ceramic shear icp accel, 10 mv/g, 1 to 10k , ioft, miniature, low-noise, blue coaxial cable, 10-ft, 3-56 plug to bnc plug , miniature, low-noise, blue coaxial cable, 20-ft, 3-56 plug to bnc plug , dc regulated power supply , mitutoyo magnetic stand 7010910 with dial gauge metal magnetic stand i multicolour, metal total quantity : 14