. Science-gossip . s, Fox> T&n. Sliillln^s. The prices to ordinary purchasers are Vol. I., ss. 6d. ; Vols. II., III. and IV., 7s. 6d. each. The Trade issupplied at these prices, with usual discount. The volumes commence with the June number ; but Annual Subscriptions (6s. 6d. per annum, includingpostage) may begin with any month, and should be sent direct to SciENCE-GossiP Office, no Strand,, ^ 305 lhc| Chilral campaign, iuid by Major HalU-rsliy,, ill llic Nile cxpcdilion of the Soudancampaign. Ttie results in lioth these cases proveillieyond doubt that ve
. Science-gossip . s, Fox> T&n. Sliillln^s. The prices to ordinary purchasers are Vol. I., ss. 6d. ; Vols. II., III. and IV., 7s. 6d. each. The Trade issupplied at these prices, with usual discount. The volumes commence with the June number ; but Annual Subscriptions (6s. 6d. per annum, includingpostage) may begin with any month, and should be sent direct to SciENCE-GossiP Office, no Strand,, ^ 305 lhc| Chilral campaign, iuid by Major HalU-rsliy,, ill llic Nile cxpcdilion of the Soudancampaign. Ttie results in lioth these cases proveillieyond doubt that very vahiable aid was yiveii l themedical olticers. Ten sets of apparatus have l)een oHicially Society of London, in January 1899. The hightemperatures of the country traversed was one of i)iegre-atesl difliculties with which he had to contend,inrlicularly on account of the dan(;er to wlfich theinduction coil was exposed of having its insulationbroken down by the softening of the wax in^i< I 4it^ Fig. 26. LliG, fractured just above thk Ankle. sent to the scat of war in South Alrica, and in addi-tion to these many have been taken by ofticers. The successful work of Major Hattersby in theSoudan was summarised by that officer in an ex-cellent paper read by him before the Rcintgen The coil and other items were therefore wrapt inwet flannels to keep the temperature lower Ijy eva-poration. To render the coil mote portable it wasmade in two parts, in a manner similar to most ofthe big coils in use at present. The coil part was 3o6 SCIENCE-GOSSIP. packed in one box, and the condenser and otherparts in another. Major Battersbys arrangement for the generationof electricity was indeed an ingenious one. He says : The pulley of a small dynamo was connected bymeans of a leather strap with the back wheel of aspecially constructed tandem bicycle. The requiredvelocity for the dynamo was thus obtained, and ourprocedure was as follows : Having carefully adjustedthe circuit with the
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