Sixteen Test pieces of Hemispherical, Conical and truncated shapes, tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, marked '4A' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, marked 'II' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, marked '5' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, marked 'I H' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, marked '16' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, marked '18' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, marked '12' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, marked 'III' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, marked '2' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, hemispherical, marked '3' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, marked '14' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, sections drawn onto base, each marked '5'. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, each marked '5*' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, conical, each marked 'IV' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
One of sixteen test pieces, hemispherical, each marked '23' on base. Tested on a Rocket track for the evaluation of Erosion and Charring when exposed to rain, hail, dust, sand , etc.
