To measure joists and plank To measure any irregular figure To measure a circle To find the area of a sector of a circle To measure a segment of a circle To find the area of an ellipses, or oval To find the solidity of a prism To find the solidity of a figure whose sides are parellel To find the solidity of a figure that has only To find the solidity of the frustum of a cone ib.- To find the solidity of a wedge whose edge is To find the solidity of a globe or sphere 166 To find the solidity of a segment of a globe spheroid To find the solidity of an elliptic spindle ib. 169 To find the solidity of the middle frustum of an elliptic spindle 170 Timber measure, the common method A new method of measuring round timber ib. 171 To find how much a round stick of timber will Having the base of a pile of wood or bark giv- To find the solidity of a parallelopipedon To find the solidity of any cubical figure. GUAGING. - ib. ib. Tables of the different monies of the known world 193 USEFUL FORMS OF WRITINGS. THE Author has not been able to examine the work since it came from the press, but from the great pains he has taken to correct the proofs, he feels confident, that but few errors can have passed unnoticed; only one has as yet come to his knowledge, which is on page 63 question sixth, (and this error is in about 200 copies only) for 200 read 20. To prevent speculators from hurting the sale by enhancing the price, the author thought it best to publish the wholesale and retail prices in the title page; the price of scale board and full binding having been omitted in that page, it becomes necessary to mention the price of the different bindings again in this place. PRICES IN DIFFERENT BINDINGS. In scale board binding with blue paper covers, 55 cts. single ; $5.40 cts. per dozen; $35 dollars per hundred. In marble paper covers, sewed and filletted, 62 ets. single; $6 per dozen; $40 per hundred. In full binding, leather covers, 75 cts. single; $7.50 cts. per dozen; and $50 per hundred. |