(rims, Gun Manufacture, Gunnery. 143 



1536. BECHERCHES HISTORIQUES, sur 1'Epreuve des Armes 

 a Feu au Pays de Liege. Jules Polain. This is a 

 revised and enlarged edition of the work issued by the 

 Director of the Liege proof- house, and it is the stan- 

 dard work upon proof tests and the history of gun- 

 barrel proving and the practice followed in Belgium, 

 etc. H. Vaillant Carmanne, Liege, 1891, large 8vo, 

 368 pp., 6 plates of plans, proof marks, etc., and 

 woodcuts of proof marks in text, paper cover. 



1537. DES BANGS D'EPREUVES. Jules PoUdn. A brochure 

 dealing with rules of foreign proof-houses, and the 

 scale of charges imposed at Liege. H. V. Carmanne, 

 Liege, 1892. 8vo, 28 pp. and folding table. 



1538. DES BANG D'EPREUVES, DE L'ORGANISATION. Jules 

 Polain. A brochure describing the Liege proof -house, 

 new rules relating to the proof of barrels thereat, and 

 some remarks on the Hungarian proof law. H. V. 

 Carmanne, Liege, 1892. 8vo, 32 pp. 



1539. BANG D'EPREUVES. Jules Polain. The law and 

 rules of proof proposed in Germany. A brochure 

 giving a translation of the Prussian Act to found 

 proof-houses in the Empire of Germany. H. V. 

 Carmanne, Liege, 1892. Svo, 24 pp. 



1540. BANGS D'EPREUVES. J. Polain. A brochure giving 

 further documents relating to the establishment of 

 proof-houses in Germany. H. V. Carmanne, Liege. 

 1893. Svo, 56 pp. 



1541. BANG D'EPREUVES. Jules Polain. An interesting 

 brochure on " The influence the gun-barrel proving- 

 hoiises exert upon the gun manufacturing industry," 

 together with a review of the work done in the year 

 1892 at the English, French, Austrian, and Belgian 

 proof -houses. H. V. Carmanne, Liege, 1893. 8vo, 

 56 pp. 



1542. DISPOSITIONS LEGALES, Beiges, Frangaises, Anglaises, 

 Autrichiennes et Allemandes, concernant la repression 

 des frauds en matiere d'epreuves d'arrnes a feu. Juks 



