118 



THE OOLOGIST. 



Measure your Specimens, 



Nil. 1 is tlie Caliper Rule of which we have sild over a thousand during the past few 

 years, is a tiae six inch, brass trimmed fokliug rule with a brass Caliper attachment, reg- 

 istering 16ths. Should you desire the result in lOOths you can readily obtain it by mul- 

 tiplying by G^. Price 25cts. 



No. 2 is a plain :J in. steel rule marked \ 2 in. 

 in ICOths. 



$8.50 



Price postpaid GOcts 1 4 Jq. size 4. 50 



No. ;-) this is a pair pof^tpaid at these prices, this square is ex- 



of Calipers which is I 'i*^tly like the above cut-excei)t that it is 



very convenient to i c^ivided in lOOths, and is without the adjust- 



\ise when measuring I ^^^8 screw a . 



No. 2. 



specimens with rul^ i 

 Price postpaid 25cts. 



q -,.,.;j..n,H|.,^!r^WTTT7ITjTTT^ 



Address, 



FRANK H. LATTIN, 



Albion, N. Y. 



" Dot it Down." 



; Every collector should have one or uujre 



No. 4 is a steel Cahper Rule registering I of our vest pocket note-books, and should 



lOOths. This cut shows the exact style. 



When closed this rule is' 3 in. long. The 

 Caliper can be drawn out to measure 2j in. 

 The thickness of the riile is |- in. Price .$2.50. 



No. 5 is a 1 in. steel Rule with 



the following graduations, viz.: — 



_^16ths, r)Oths, 64ths, and lOOths, 



^^thej'^ are fiu'nished with split ring 



^" and make a first-class Watch 



Guard Charm. 



We can furnish them as follows: 



^Plain Steel each .$.30 



j Nickel plated " .40 



No. G Caliper Stpiare steel divided in 

 lOOths. This is unquestionably the best 

 article ever offered for measuring speci- 

 mens W3 can furuish these S(niarcs in two 

 bizes. 



always keep one in their pocket so that 

 when they observe anything interesting or 

 iinusualthey can "dot it down" on the 

 spot. We have just obtained a new lot of 

 note-books, two styles, and offer them at 

 prices so reasonable that a collector cannot 

 afford to be without them. 



Style 1, contains 36 pngcs, ruled and 

 cross-ruled, size 2^ x 5^ in., bound in Press 

 Board covers. Price each, (Jc; two for 10c; 

 or 6 for 25e. 



Style 2, is '" high toned'' in every respect 

 contains 72 pages, extra qualitj', ruled and 

 cross-ruled paper, size 2^ x 5^ in., hand- 

 somely bound in flexible red leather covers. 

 Each 15c; two for 28c; or six for 75c. 

 Address 



FRANK H. LATTIN, 



All.i n, N. Y. 



Large, well illustrated 48 page book, 5c-. 



W, F. Greany, 



827 Brauuan St., 



^'an Francisco, C'al. 

 tf 



