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Show APPENDIX A Ala. Ram penetrometer. A high- quality Ram penetrometer with k extension sections and 1- and 2- kg ram weights is available for $ 70.97 plus $ 31.56 shipping cost and import duty from Walter Buser, Kleinmechanishe Werkstatte, Karstlern-strasse 5, Zurich 43, Switzerland. Alb. Ram penetrometer of different construction but identical performance, including one more extension section and canvas carrying case: Catalog No. F4050, $ 360.00 from Test Lab Division, GE! Incorporated, P. 0. Box 66310, Chicago, Illinois, 60666 A2. Standard 500 cc snow density tubes. Stainless Steel--$ 9.00 each, rubber caps ( 2 required per tube)-$ 0.75 each, from Test Lab Corporation ( see above). Stainless steel tube stock for making density tubes- 304WD Stainless Steel Tubing, 2 3/ 8" 0D, .049" wall, price $ 244.00 per 100 ft., order from local tubing distributor. Cut this tubing to 19.05 cm ( 7.50") long and bevel one edge ( cut and bevel on a lathe for best results). The Test Lab rubber caps will fit these tubes. A3. Dial thermometer. Weston Model 226, - 100° to + 40° C, $ 8.00 from Weston Elec. Inst. Corp., Newark, New Jersey ( order through local distributor). A4. Portable snow density kit. 500 cc aluminum sample tube, cradle, and precision spring balance-$ 24.00 from Ernst Strohmeier, Kreuzstrasse 52, Rapperswi11, St. Gallen, Switzerland. ( See Figure 9.) A5a. Snow Shovel. D- handle aluminum shovel with square blade. Wood Shovel 6 Tool Co., Picqua, Ohio, Model 4A Zephyr-weight, $ 7.95. ( Order through local hardware distributor). D- handle steel shovel of same design: Ames No. 306, Coal and Street- cleaners Shovel, $ 7- 95. Also: True Temper CT2, $ 6.16. A5b. Drain and post- hole spade. Sears, Roebuck 9K 83O8C, $ 5.77. A6. Snow Modeling Brush. For hard snow: Plastic whisk broom-- procure from local dime store, under $ 1.00. For soft snow: 3" nylon paint brush- procure from local hardware supply, about $ 1.50. A7. Snow Cutting Plate. 6 x 12" piece of .040" 7075 alloy aluminum sheet. Procure from local metal supplier. 52 |