Illustrated catalogue and price-list of James Macbeth & Co. (1891)
James Macbeth & Co. · James Macbeth & Co. · leaf 19
■■^^H / Rock Blasting by Electricity J5 THE STANDARD ELECTRIC FUSE AND BLAST TESTER. … Price, Si5.00. The Standard Electric Fuseand Blast Tester is the firstmachine of the kind everplaced upon the market forthis purpose, notwithstand-ing that electric fuses havebeen very generally usedduring the past fifteen years.This machine is intended totest electric fuses or explod-ers before…