My life : a record of events and opinions - Wallace-online.org

!I" Signed by Mr, Carpenter."—Z)r. Coulcher's Report. '^SignedMONEY MATTERS 365sketched by Mr. Coulcher and signed by Mr. Carpenteras correct, and is shown in the following diagramwhich was reproduced in the Field newspaper (March26, 1870), and also in a pamphlet by Carpenter himself.But he declared that this proved nothing,because the telescope was not levelled, and because ithad no cross-hairAt his request to have a spirit-level in order toshow if there was any " fall " of the surface of water,I had been to King's Lynn and borrowed a goodTroughton's level from a surveyor there. This I nowset up on the bridge at exactly the same heightabove the water as the other telescope, and havinglevelled it very accurately and called Mr. Carpenterto see that the bubble was truly central and that theleast movement of the screws elevating or depressingit would cause the bubble to move away, I adjustedthe focus on to the distant bridge, showing also thecentral staff and its two discs.Mr. Coulcher looked at it, and then Mr. Carpenter,"