Some side-intake soil samplers for sand and gravel
Swedish title: Some side-intake soil samplers for sand and gravel
Author Torsten Kallstenius
Series: SGI Proceedings
(1) General considerations; (2) Penetration ability of samplers; (3) Sampler withdrawn after taking each sample; (4) Sampler, part of which is withdrawn after taking each sample; (5) Sampler withdrawn only once after sinking each bore hole; (5a) Wager's Sampler; (5b) Kallstenius's Sampler (Jalousie Sampler); (6) Prospective development of side-intake samplers.